1 // RUN: %clang_cc1 -fsyntax-only -fopenmp=libiomp5 -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify %s
2 
3 static int sii;
4 #pragma omp threadprivate(sii) // expected-note {{defined as threadprivate or thread local}}
5 
6 int test_iteration_spaces() {
7   const int N = 100;
8   float a[N], b[N], c[N];
9   int ii, jj, kk;
10   float fii;
11   double dii;
12   #pragma omp simd
13   for (int i = 0; i < 10; i+=1) {
14     c[i] = a[i] + b[i];
15   }
16   #pragma omp simd
17   for (char i = 0; i < 10; i++) {
18     c[i] = a[i] + b[i];
19   }
20   #pragma omp simd
21   for (char i = 0; i < 10; i+='\1') {
22     c[i] = a[i] + b[i];
23   }
24   #pragma omp simd
25   for (long long i = 0; i < 10; i++) {
26     c[i] = a[i] + b[i];
27   }
28   // expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'double'}}
29   #pragma omp simd
30   for (long long i = 0; i < 10; i+=1.5) {
31     c[i] = a[i] + b[i];
32   }
33   #pragma omp simd
34   for (long long i = 0; i < 'z'; i+=1u) {
35     c[i] = a[i] + b[i];
36   }
37   // expected-error@+2 {{variable must be of integer or random access iterator type}}
38   #pragma omp simd
39   for (float fi = 0; fi < 10.0; fi++) {
40     c[(int)fi] = a[(int)fi] + b[(int)fi];
41   }
42   // expected-error@+2 {{variable must be of integer or random access iterator type}}
43   #pragma omp simd
44   for (double fi = 0; fi < 10.0; fi++) {
45     c[(int)fi] = a[(int)fi] + b[(int)fi];
46   }
47   // expected-error@+2 {{variable must be of integer or random access iterator type}}
48   #pragma omp simd
49   for (int &ref = ii; ref < 10; ref++) {
50   }
51   // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}}
52   #pragma omp simd
53   for (int i; i < 10; i++)
54     c[i] = a[i];
55 
56   // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}}
57   #pragma omp simd
58   for (int i = 0, j = 0; i < 10; ++i)
59     c[i] = a[i];
60 
61   // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}}
62   #pragma omp simd
63   for (;ii < 10; ++ii)
64     c[ii] = a[ii];
65 
66   // expected-warning@+3 {{expression result unused}}
67   // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}}
68   #pragma omp simd
69   for (ii + 1;ii < 10; ++ii)
70     c[ii] = a[ii];
71 
72   // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}}
73   #pragma omp simd
74   for (c[ii] = 0;ii < 10; ++ii)
75     c[ii] = a[ii];
76 
77   // Ok to skip parenthesises.
78   #pragma omp simd
79   for (((ii)) = 0;ii < 10; ++ii)
80     c[ii] = a[ii];
81 
82   // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
83   #pragma omp simd
84   for (int i = 0; i; i++)
85     c[i] = a[i];
86 
87   // expected-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
88   // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'i'}}
89   #pragma omp simd
90   for (int i = 0; jj < kk; ii++)
91     c[i] = a[i];
92 
93   // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
94   #pragma omp simd
95   for (int i = 0; !!i; i++)
96     c[i] = a[i];
97 
98   // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
99   #pragma omp simd
100   for (int i = 0; i != 1; i++)
101     c[i] = a[i];
102 
103   // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
104   #pragma omp simd
105   for (int i = 0; ; i++)
106     c[i] = a[i];
107 
108   // Ok.
109   #pragma omp simd
110   for (int i = 11; i > 10; i--)
111     c[i] = a[i];
112 
113   // Ok.
114   #pragma omp simd
115   for (int i = 0; i < 10; ++i)
116     c[i] = a[i];
117 
118     // Ok.
119   #pragma omp simd
120   for (ii = 0; ii < 10; ++ii)
121     c[ii] = a[ii];
122 
123   // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
124   #pragma omp simd
125   for (ii = 0; ii < 10; ++jj)
126     c[ii] = a[jj];
127 
128   // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
129   #pragma omp simd
130   for (ii = 0; ii < 10; ++ ++ ii)
131     c[ii] = a[ii];
132 
133   // Ok but undefined behavior (in general, cannot check that incr
134   // is really loop-invariant).
135   #pragma omp simd
136   for (ii = 0; ii < 10; ii = ii + ii)
137     c[ii] = a[ii];
138 
139   // expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'float'}}
140   #pragma omp simd
141   for (ii = 0; ii < 10; ii = ii + 1.0f)
142     c[ii] = a[ii];
143 
144   // Ok - step was converted to integer type.
145   #pragma omp simd
146   for (ii = 0; ii < 10; ii = ii + (int)1.1f)
147     c[ii] = a[ii];
148 
149   // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
150   #pragma omp simd
151   for (ii = 0; ii < 10; jj = ii + 2)
152     c[ii] = a[ii];
153 
154   // expected-warning@+3 {{relational comparison result unused}}
155   // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
156   #pragma omp simd
157   for (ii = 0; ii < 10; jj > kk + 2)
158     c[ii] = a[ii];
159 
160   // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
161   #pragma omp simd
162   for (ii = 0; ii < 10;)
163     c[ii] = a[ii];
164 
165   // expected-warning@+3 {{expression result unused}}
166   // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
167   #pragma omp simd
168   for (ii = 0; ii < 10; !ii)
169     c[ii] = a[ii];
170 
171   // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
172   #pragma omp simd
173   for (ii = 0; ii < 10; ii ? ++ii : ++jj)
174     c[ii] = a[ii];
175 
176   // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
177   #pragma omp simd
178   for (ii = 0; ii < 10; ii = ii < 10)
179     c[ii] = a[ii];
180 
181   // expected-note@+3 {{loop step is expected to be positive due to this condition}}
182   // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
183   #pragma omp simd
184   for (ii = 0; ii < 10; ii = ii + 0)
185     c[ii] = a[ii];
186 
187   // expected-note@+3 {{loop step is expected to be positive due to this condition}}
188   // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
189   #pragma omp simd
190   for (ii = 0; ii < 10; ii = ii + (int)(0.8 - 0.45))
191     c[ii] = a[ii];
192 
193   // expected-note@+3 {{loop step is expected to be positive due to this condition}}
194   // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
195   #pragma omp simd
196   for (ii = 0; (ii) < 10; ii-=25)
197     c[ii] = a[ii];
198 
199   // expected-note@+3 {{loop step is expected to be positive due to this condition}}
200   // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
201   #pragma omp simd
202   for (ii = 0; (ii < 10); ii-=0)
203     c[ii] = a[ii];
204 
205   // expected-note@+3 {{loop step is expected to be negative due to this condition}}
206   // expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}
207   #pragma omp simd
208   for (ii = 0; ii > 10; (ii+=0))
209     c[ii] = a[ii];
210 
211   // expected-note@+3 {{loop step is expected to be positive due to this condition}}
212   // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
213   #pragma omp simd
214   for (ii = 0; ii < 10; (ii) = (1-1)+(ii))
215     c[ii] = a[ii];
216 
217   // expected-note@+3 {{loop step is expected to be negative due to this condition}}
218   // expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}
219   #pragma omp simd
220   for ((ii = 0); ii > 10; (ii-=0))
221     c[ii] = a[ii];
222 
223   // expected-note@+3 {{loop step is expected to be positive due to this condition}}
224   // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
225   #pragma omp simd
226   for (ii = 0; (ii < 10); (ii-=0))
227     c[ii] = a[ii];
228 
229   // expected-note@+2  {{defined as private}}
230   // expected-error@+2 {{loop iteration variable in the associated loop of 'omp simd' directive may not be private, predetermined as linear}}
231   #pragma omp simd private(ii)
232   for (ii = 0; ii < 10; ii++)
233     c[ii] = a[ii];
234 
235   // expected-error@+3 {{unexpected OpenMP clause 'shared' in directive '#pragma omp simd'}}
236   // expected-note@+2  {{defined as shared}}
237   // expected-error@+2 {{loop iteration variable in the associated loop of 'omp simd' directive may not be shared, predetermined as linear}}
238   #pragma omp simd shared(ii)
239   for (ii = 0; ii < 10; ii++)
240     c[ii] = a[ii];
241 
242   #pragma omp simd linear(ii)
243   for (ii = 0; ii < 10; ii++)
244     c[ii] = a[ii];
245 
246   #pragma omp simd lastprivate(ii) linear(jj) collapse(2) // expected-note {{defined as linear}}
247   for (ii = 0; ii < 10; ii++)
248   for (jj = 0; jj < 10; jj++) // expected-error {{loop iteration variable in the associated loop of 'omp simd' directive may not be linear, predetermined as lastprivate}}
249     c[ii] = a[jj];
250 
251 
252   #pragma omp parallel
253   {
254     // expected-error@+2 {{loop iteration variable in the associated loop of 'omp simd' directive may not be threadprivate or thread local, predetermined as linear}}
255     #pragma omp simd
256     for (sii = 0; sii < 10; sii+=1)
257       c[sii] = a[sii];
258   }
259 
260   // expected-error@+2 {{statement after '#pragma omp simd' must be a for loop}}
261   #pragma omp simd
262   for (auto &item : a) {
263     item = item + 1;
264   }
265 
266   // expected-note@+3 {{loop step is expected to be positive due to this condition}}
267   // expected-error@+2 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}}
268   #pragma omp simd
269   for (unsigned i = 9; i < 10; i--) {
270     c[i] = a[i] + b[i];
271   }
272 
273   int (*lb)[4] = nullptr;
274   #pragma omp simd
275   for (int (*p)[4] = lb; p < lb + 8; ++p) {
276   }
277 
278   // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
279   #pragma omp simd
280   for (int a{0}; a<10; ++a) {
281   }
282 
283   return 0;
284 }
285 
286 // Iterators allowed in openmp for-loops.
287 namespace std {
288 struct random_access_iterator_tag { };
289 template <class Iter> struct iterator_traits {
290   typedef typename Iter::difference_type difference_type;
291   typedef typename Iter::iterator_category iterator_category;
292 };
293 template <class Iter>
294 typename iterator_traits<Iter>::difference_type
295 distance(Iter first, Iter last) { return first - last; }
296 }
297 class Iter0 {
298   public:
299     Iter0() { }
300     Iter0(const Iter0 &) { }
301     Iter0 operator ++() { return *this; }
302     Iter0 operator --() { return *this; }
303     bool operator <(Iter0 a) { return true; }
304 };
305 int operator -(Iter0 a, Iter0 b) { return 0; }
306 class Iter1 {
307   public:
308     Iter1(float f=0.0f, double d=0.0) { }
309     Iter1(const Iter1 &) { }
310     Iter1 operator ++() { return *this; }
311     Iter1 operator --() { return *this; }
312     bool operator <(Iter1 a) { return true; }
313     bool operator >=(Iter1 a) { return false; }
314 };
315 class GoodIter {
316   public:
317     GoodIter() { }
318     GoodIter(const GoodIter &) { }
319     GoodIter(int fst, int snd) { }
320     GoodIter &operator =(const GoodIter &that) { return *this; }
321     GoodIter &operator =(const Iter0 &that) { return *this; }
322     GoodIter &operator +=(int x) { return *this; }
323     explicit GoodIter(void *) { }
324     GoodIter operator ++() { return *this; }
325     GoodIter operator --() { return *this; }
326     bool operator !() { return true; }
327     bool operator <(GoodIter a) { return true; }
328     bool operator <=(GoodIter a) { return true; }
329     bool operator >=(GoodIter a) { return false; }
330     typedef int difference_type;
331     typedef std::random_access_iterator_tag iterator_category;
332 };
333 int operator -(GoodIter a, GoodIter b) { return 0; }
334 GoodIter operator -(GoodIter a) { return a; }
335 GoodIter operator -(GoodIter a, int v) { return GoodIter(); }
336 GoodIter operator +(GoodIter a, int v) { return GoodIter(); }
337 GoodIter operator -(int v, GoodIter a) { return GoodIter(); }
338 GoodIter operator +(int v, GoodIter a) { return GoodIter(); }
339 
340 int test_with_random_access_iterator() {
341   GoodIter begin, end;
342   Iter0 begin0, end0;
343   #pragma omp simd
344   for (GoodIter I = begin; I < end; ++I)
345     ++I;
346   // expected-error@+2 {{variable must be of integer or random access iterator type}}
347   #pragma omp simd
348   for (GoodIter &I = begin; I < end; ++I)
349     ++I;
350   #pragma omp simd
351   for (GoodIter I = begin; I >= end; --I)
352     ++I;
353   // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
354   #pragma omp simd
355   for (GoodIter I(begin); I < end; ++I)
356     ++I;
357   // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
358   #pragma omp simd
359   for (GoodIter I(nullptr); I < end; ++I)
360     ++I;
361   // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
362   #pragma omp simd
363   for (GoodIter I(0); I < end; ++I)
364     ++I;
365   // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
366   #pragma omp simd
367   for (GoodIter I(1,2); I < end; ++I)
368     ++I;
369   #pragma omp simd
370   for (begin = GoodIter(0); begin < end; ++begin)
371     ++begin;
372   #pragma omp simd
373   for (begin = begin0; begin < end; ++begin)
374     ++begin;
375   // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}}
376   #pragma omp simd
377   for (++begin; begin < end; ++begin)
378     ++begin;
379   #pragma omp simd
380   for (begin = end; begin < end; ++begin)
381     ++begin;
382   // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
383   #pragma omp simd
384   for (GoodIter I = begin; I - I; ++I)
385     ++I;
386   // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
387   #pragma omp simd
388   for (GoodIter I = begin; begin < end; ++I)
389     ++I;
390   // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
391   #pragma omp simd
392   for (GoodIter I = begin; !I; ++I)
393     ++I;
394   // expected-note@+3 {{loop step is expected to be negative due to this condition}}
395   // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
396   #pragma omp simd
397   for (GoodIter I = begin; I >= end; I = I + 1)
398     ++I;
399   #pragma omp simd
400   for (GoodIter I = begin; I >= end; I = I - 1)
401     ++I;
402   // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}
403   #pragma omp simd
404   for (GoodIter I = begin; I >= end; I = -I)
405     ++I;
406   // expected-note@+3 {{loop step is expected to be negative due to this condition}}
407   // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
408   #pragma omp simd
409   for (GoodIter I = begin; I >= end; I = 2 + I)
410     ++I;
411   // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}
412   #pragma omp simd
413   for (GoodIter I = begin; I >= end; I = 2 - I)
414     ++I;
415   #pragma omp simd
416   for (Iter0 I = begin0; I < end0; ++I)
417     ++I;
418   // Initializer is constructor without params.
419   // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
420   #pragma omp simd
421   for (Iter0 I; I < end0; ++I)
422     ++I;
423   Iter1 begin1, end1;
424   #pragma omp simd
425   for (Iter1 I = begin1; I < end1; ++I)
426     ++I;
427   // expected-note@+3 {{loop step is expected to be negative due to this condition}}
428   // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
429   #pragma omp simd
430   for (Iter1 I = begin1; I >= end1; ++I)
431     ++I;
432   // Initializer is constructor with all default params.
433   // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
434   #pragma omp simd
435   for (Iter1 I; I < end1; ++I) {
436   }
437   return 0;
438 }
439 
440 template <typename IT, int ST> class TC {
441   public:
442     int dotest_lt(IT begin, IT end) {
443       // expected-note@+3 {{loop step is expected to be positive due to this condition}}
444       // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}
445       #pragma omp simd
446       for (IT I = begin; I < end; I = I + ST) {
447         ++I;
448       }
449       // expected-note@+3 {{loop step is expected to be positive due to this condition}}
450       // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}
451       #pragma omp simd
452       for (IT I = begin; I <= end; I += ST) {
453         ++I;
454       }
455       #pragma omp simd
456       for (IT I = begin; I < end; ++I) {
457         ++I;
458       }
459     }
460 
461     static IT step() {
462       return IT(ST);
463     }
464 };
465 template <typename IT, int ST=0> int dotest_gt(IT begin, IT end) {
466   // expected-note@+3 2 {{loop step is expected to be negative due to this condition}}
467   // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
468   #pragma omp simd
469   for (IT I = begin; I >= end; I = I + ST) {
470     ++I;
471   }
472   // expected-note@+3 2 {{loop step is expected to be negative due to this condition}}
473   // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
474   #pragma omp simd
475   for (IT I = begin; I >= end; I += ST) {
476     ++I;
477   }
478 
479   // expected-note@+3 {{loop step is expected to be negative due to this condition}}
480   // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
481   #pragma omp simd
482   for (IT I = begin; I >= end; ++I) {
483     ++I;
484   }
485 
486   #pragma omp simd
487   for (IT I = begin; I < end; I+=TC<int,ST>::step()) {
488     ++I;
489   }
490 }
491 
492 void test_with_template() {
493   GoodIter begin, end;
494   TC<GoodIter, 100> t1;
495   TC<GoodIter, -100> t2;
496   t1.dotest_lt(begin, end);
497   t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}}
498   dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}}
499   dotest_gt<unsigned, -10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, -10>' requested here}}
500 }
501 
502 void test_loop_break() {
503   const int N = 100;
504   float a[N], b[N], c[N];
505   #pragma omp simd
506   for (int i = 0; i < 10; i++) {
507     c[i] = a[i] + b[i];
508     for (int j = 0; j < 10; ++j) {
509       if (a[i] > b[j])
510         break; // OK in nested loop
511     }
512     switch(i) {
513       case 1:
514         b[i]++;
515         break;
516       default:
517         break;
518     }
519     if (c[i] > 10)
520       break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
521 
522     if (c[i] > 11)
523       break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
524   }
525 
526   #pragma omp simd
527   for (int i = 0; i < 10; i++) {
528     for (int j = 0; j < 10; j++) {
529       c[i] = a[i] + b[i];
530       if (c[i] > 10) {
531         if (c[i] < 20) {
532           break; // OK
533         }
534       }
535     }
536   }
537 }
538 
539 void test_loop_eh() {
540   const int N = 100;
541   float a[N], b[N], c[N];
542   #pragma omp simd
543   for (int i = 0; i < 10; i++) {
544     c[i] = a[i] + b[i];
545     try { // expected-error {{'try' statement cannot be used in OpenMP simd region}}
546       for (int j = 0; j < 10; ++j) {
547         if (a[i] > b[j])
548           throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}
549       }
550       throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}
551     }
552     catch (float f) {
553       if (f > 0.1)
554         throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}
555       return; // expected-error {{cannot return from OpenMP region}}
556     }
557     switch(i) {
558       case 1:
559         b[i]++;
560         break;
561       default:
562         break;
563     }
564     for (int j = 0; j < 10; j++) {
565       if (c[i] > 10)
566         throw c[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}
567     }
568   }
569   if (c[9] > 10)
570     throw c[9]; // OK
571 
572   #pragma omp simd
573   for (int i = 0; i < 10; ++i) {
574     struct S {
575       void g() { throw 0; }
576     };
577   }
578 }
579 
580