1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 void test() { 4 int x; 5 if (x) ++x; 6 if (int x=0) ++x; 7 8 typedef int arr[10]; 9 while (arr x=0) ; // expected-error {{an array type is not allowed here}} expected-error {{array initializer must be an initializer list}} 10 while (int f()=0) ; // expected-error {{a function type is not allowed here}} 11 12 struct S {} s; 13 if (s) ++x; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}} 14 while (struct S x=s) ; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}} 15 do ; while (s); // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}} 16 for (;s;) ; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}} 17 switch (s) {} // expected-error {{statement requires expression of integer type ('struct S' invalid)}} 18 19 while (struct S {} x=0) ; // expected-error {{types may not be defined in conditions}} expected-error {{no viable conversion}} expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}} expected-note{{candidate constructor (the implicit copy constructor)}} 20 while (struct {} x=0) ; // expected-error {{types may not be defined in conditions}} expected-error {{no viable conversion}} expected-error {{not contextually convertible to 'bool'}} expected-note{{candidate constructor (the implicit copy constructor)}} 21 switch (enum {E} x=0) ; // expected-error {{types may not be defined in conditions}} expected-error {{cannot initialize}} \ 22 // expected-warning{{enumeration value 'E' not handled in switch}} 23 24 if (int x=0) { // expected-note 2 {{previous definition is here}} 25 int x; // expected-error {{redefinition of 'x'}} 26 } 27 else 28 int x; // expected-error {{redefinition of 'x'}} 29 while (int x=0) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}} 30 while (int x=0) { int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}} 31 for (int x; int x=0; ) ; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}} 32 for (int x; ; ) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}} 33 for (; int x=0; ) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}} 34 for (; int x=0; ) { int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}} 35 switch (int x=0) { default: int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}} 36 } 37 38 int* get_int_ptr(); 39 40 void test2() { 41 float *ip; 42 if (int *ip = ip) { 43 } 44 } 45