1 // Check to make sure clang is somewhat picky about -g options.
2 // rdar://10383444
3 
4 // Linux.
5 // RUN: %clang -### -c -g %s -target x86_64-linux-gnu 2>&1 \
6 // RUN:             | FileCheck -check-prefix=G_LIMITED -check-prefix=G_GDB %s
7 // RUN: %clang -### -c -g2 %s -target x86_64-linux-gnu 2>&1 \
8 // RUN:             | FileCheck -check-prefix=G_LIMITED -check-prefix=G_GDB %s
9 // RUN: %clang -### -c -g3 %s -target x86_64-linux-gnu 2>&1 \
10 // RUN:             | FileCheck -check-prefix=G_LIMITED -check-prefix=G_GDB %s
11 // RUN: %clang -### -c -ggdb %s -target x86_64-linux-gnu 2>&1 \
12 // RUN:             | FileCheck -check-prefix=G_LIMITED -check-prefix=G_GDB %s
13 // RUN: %clang -### -c -ggdb1 %s -target x86_64-linux-gnu 2>&1 \
14 // RUN:             | FileCheck -check-prefix=GLTO_ONLY -check-prefix=G_GDB %s
15 // RUN: %clang -### -c -ggdb3 %s -target x86_64-linux-gnu 2>&1 \
16 // RUN:             | FileCheck -check-prefix=G_LIMITED -check-prefix=G_GDB %s
17 // RUN: %clang -### -c -glldb %s -target x86_64-linux-gnu 2>&1 \
18 // RUN:             | FileCheck -check-prefix=G_STANDALONE -check-prefix=G_LLDB %s
19 // RUN: %clang -### -c -gsce %s -target x86_64-linux-gnu 2>&1 \
20 // RUN:             | FileCheck -check-prefix=G_LIMITED -check-prefix=G_SCE %s
21 
22 // Android.
23 // Android should always generate DWARF4.
24 // RUN: %clang -### -c -g %s -target arm-linux-androideabi 2>&1 \
25 // RUN:             | FileCheck -check-prefix=G_LIMITED -check-prefix=G_DWARF4 %s
26 
27 // Darwin.
28 // RUN: %clang -### -c -g %s -target x86_64-apple-darwin14 2>&1 \
29 // RUN:             | FileCheck -check-prefix=G_STANDALONE \
30 // RUN:                         -check-prefix=G_DWARF2 \
31 // RUN:                         -check-prefix=G_LLDB %s
32 // RUN: %clang -### -c -g %s -target x86_64-apple-darwin16 2>&1 \
33 // RUN:             | FileCheck -check-prefix=G_STANDALONE \
34 // RUN:                         -check-prefix=G_DWARF4 \
35 // RUN:                         -check-prefix=G_LLDB %s
36 // RUN: %clang -### -c -g2 %s -target x86_64-apple-darwin16 2>&1 \
37 // RUN:             | FileCheck -check-prefix=G_STANDALONE \
38 // RUN:                         -check-prefix=G_DWARF4 %s
39 // RUN: %clang -### -c -g3 %s -target x86_64-apple-darwin16 2>&1 \
40 // RUN:             | FileCheck -check-prefix=G_STANDALONE \
41 // RUN:                         -check-prefix=G_DWARF4 %s
42 // RUN: %clang -### -c -ggdb %s -target x86_64-apple-darwin16 2>&1 \
43 // RUN:             | FileCheck -check-prefix=G_STANDALONE \
44 // RUN:                         -check-prefix=G_DWARF4 \
45 // RUN:                         -check-prefix=G_GDB %s
46 // RUN: %clang -### -c -ggdb1 %s -target x86_64-apple-darwin16 2>&1 \
47 // RUN:             | FileCheck -check-prefix=GLTO_ONLY %s
48 // RUN: %clang -### -c -ggdb3 %s -target x86_64-apple-darwin16 2>&1 \
49 // RUN:             | FileCheck -check-prefix=G_STANDALONE \
50 // RUN:                         -check-prefix=G_DWARF4 %s
51 // RUN: %clang -### -c -g %s -target x86_64-apple-macosx10.11 2>&1 \
52 // RUN:             | FileCheck -check-prefix=G_STANDALONE \
53 // RUN:                         -check-prefix=G_DWARF4 %s
54 // RUN: %clang -### -c -g %s -target x86_64-apple-macosx10.10 2>&1 \
55 // RUN:             | FileCheck -check-prefix=G_ONLY_DWARF2 %s
56 // RUN: %clang -### -c -g %s -target armv7-apple-ios9.0 2>&1 \
57 // RUN:             | FileCheck -check-prefix=G_STANDALONE \
58 // RUN:                         -check-prefix=G_DWARF4 %s
59 // RUN: %clang -### -c -g %s -target armv7-apple-ios8.0 2>&1 \
60 // RUN:             | FileCheck -check-prefix=G_ONLY_DWARF2 %s
61 // RUN: %clang -### -c -g %s -target armv7k-apple-watchos 2>&1 \
62 // RUN:             | FileCheck -check-prefix=G_STANDALONE \
63 // RUN:                         -check-prefix=G_DWARF4 %s
64 // RUN: %clang -### -c -g %s -target arm64-apple-tvos9.0 2>&1 \
65 // RUN:             | FileCheck -check-prefix=G_STANDALONE \
66 // RUN:                         -check-prefix=G_DWARF4 %s
67 
68 // FreeBSD.
69 // RUN: %clang -### -c -g %s -target x86_64-pc-freebsd10.0 2>&1 \
70 // RUN:             | FileCheck -check-prefix=G_GDB %s
71 
72 // Windows.
73 // RUN: %clang -### -c -g %s -target x86_64-w64-windows-gnu 2>&1 \
74 // RUN:             | FileCheck -check-prefix=G_GDB %s
75 // RUN: %clang -### -c -g %s -target x86_64-windows-msvc 2>&1 \
76 // RUN:             | FileCheck -check-prefix=G_NOTUNING %s
77 // RUN: %clang_cl -### -c -Z7 -target x86_64-windows-msvc -- %s 2>&1 \
78 // RUN:             | FileCheck -check-prefix=G_NOTUNING %s
79 
80 // On the PS4, -g defaults to -gno-column-info, and we always generate the
81 // arange section.
82 // RUN: %clang -### -c %s -target x86_64-scei-ps4 2>&1 \
83 // RUN:             | FileCheck -check-prefix=NOG_PS4 %s
84 // RUN: %clang -### -c %s -g -target x86_64-scei-ps4 2>&1 \
85 // RUN:             | FileCheck -check-prefix=G_PS4 %s
86 // RUN: %clang -### -c %s -g -target x86_64-scei-ps4 2>&1 \
87 // RUN:             | FileCheck -check-prefix=G_SCE %s
88 // RUN: %clang -### -c %s -g -target x86_64-scei-ps4 2>&1 \
89 // RUN:             | FileCheck -check-prefix=NOCI %s
90 // RUN: %clang -### -c %s -g -gcolumn-info -target x86_64-scei-ps4 2>&1 \
91 // RUN:             | FileCheck -check-prefix=CI %s
92 // RUN: %clang -### -c %s -gsce -target x86_64-unknown-linux 2>&1 \
93 // RUN:             | FileCheck -check-prefix=NOCI %s
94 
95 // RUN: %clang -### -c -gdwarf-2 %s 2>&1 \
96 // RUN:             | FileCheck -check-prefix=G_ONLY_DWARF2 %s
97 //
98 // RUN: not %clang -### -c -gfoo %s 2>&1 | FileCheck -check-prefix=G_ERR %s
99 // RUN: %clang -### -c -g -g0 %s 2>&1 | FileCheck -check-prefix=G_NO %s
100 // RUN: %clang -### -c -ggdb0 %s 2>&1 | FileCheck -check-prefix=G_NO %s
101 // RUN: %clang -### -c -glldb -g0 %s 2>&1 | FileCheck -check-prefix=G_NO %s
102 // RUN: %clang -### -c -glldb -g1 %s 2>&1 \
103 // RUN:             | FileCheck -check-prefix=GLTO_ONLY -check-prefix=G_LLDB %s
104 //
105 // PS4 defaults to sce; -ggdb0 changes tuning but turns off debug info,
106 // then -g turns it back on without affecting tuning.
107 // RUN: %clang -### -c -ggdb0 -g -target x86_64-scei-ps4 %s 2>&1 \
108 // RUN:             | FileCheck -check-prefix=G -check-prefix=G_GDB %s
109 //
110 // RUN: %clang -### -c -g1 %s 2>&1 \
111 // RUN:             | FileCheck -check-prefix=GLTO_ONLY %s
112 // RUN: %clang -### -c -gmlt %s 2>&1 \
113 // RUN:             | FileCheck -check-prefix=GLTO_ONLY %s
114 // RUN: %clang -### -c -gline-tables-only %s 2>&1 \
115 // RUN:             | FileCheck -check-prefix=GLTO_ONLY %s
116 // RUN: %clang -### -c -gline-tables-only %s -target x86_64-apple-darwin 2>&1 \
117 // RUN:             | FileCheck -check-prefix=GLTO_ONLY %s
118 // RUN: %clang -### -c -gline-tables-only %s -target i686-pc-openbsd 2>&1 \
119 // RUN:             | FileCheck -check-prefix=GLTO_ONLY_DWARF2 %s
120 // RUN: %clang -### -c -gline-tables-only %s -target x86_64-pc-freebsd10.0 2>&1 \
121 // RUN:             | FileCheck -check-prefix=GLTO_ONLY_DWARF2 %s
122 // RUN: %clang -### -c -gline-tables-only -g %s -target x86_64-linux-gnu 2>&1 \
123 // RUN:             | FileCheck -check-prefix=G_ONLY %s
124 // RUN: %clang -### -c -gline-tables-only -g %s -target x86_64-apple-darwin16 2>&1 \
125 // RUN:             | FileCheck -check-prefix=G_STANDALONE -check-prefix=G_DWARF4 %s
126 // RUN: %clang -### -c -gline-tables-only -g %s -target i686-pc-openbsd 2>&1 \
127 // RUN:             | FileCheck -check-prefix=G_ONLY_DWARF2 %s
128 // RUN: %clang -### -c -gline-tables-only -g %s -target x86_64-pc-freebsd10.0 2>&1 \
129 // RUN:             | FileCheck -check-prefix=G_ONLY_DWARF2 %s
130 // RUN: %clang -### -c -gline-tables-only -g %s -target i386-pc-solaris 2>&1 \
131 // RUN:             | FileCheck -check-prefix=G_ONLY_DWARF2 %s
132 // RUN: %clang -### -c -gline-tables-only -g0 %s 2>&1 \
133 // RUN:             | FileCheck -check-prefix=GLTO_NO %s
134 //
135 // RUN: %clang -### -c -gline-directives-only %s -target x86_64-apple-darwin 2>&1 \
136 // RUN:             | FileCheck -check-prefix=GLIO_ONLY %s
137 // RUN: %clang -### -c -gline-directives-only %s -target i686-pc-openbsd 2>&1 \
138 // RUN:             | FileCheck -check-prefix=GLIO_ONLY_DWARF2 %s
139 // RUN: %clang -### -c -gline-directives-only %s -target x86_64-pc-freebsd10.0 2>&1 \
140 // RUN:             | FileCheck -check-prefix=GLIO_ONLY_DWARF2 %s
141 // RUN: %clang -### -c -gline-directives-only -g %s -target x86_64-linux-gnu 2>&1 \
142 // RUN:             | FileCheck -check-prefix=G_ONLY %s
143 // RUN: %clang -### -c -gline-directives-only -g %s -target x86_64-apple-darwin16 2>&1 \
144 // RUN:             | FileCheck -check-prefix=G_STANDALONE -check-prefix=G_DWARF4 %s
145 // RUN: %clang -### -c -gline-directives-only -g %s -target i686-pc-openbsd 2>&1 \
146 // RUN:             | FileCheck -check-prefix=G_ONLY_DWARF2 %s
147 // RUN: %clang -### -c -gline-directives-only -g %s -target x86_64-pc-freebsd10.0 2>&1 \
148 // RUN:             | FileCheck -check-prefix=G_ONLY_DWARF2 %s
149 // RUN: %clang -### -c -gline-directives-only -g %s -target i386-pc-solaris 2>&1 \
150 // RUN:             | FileCheck -check-prefix=G_ONLY_DWARF2 %s
151 // RUN: %clang -### -c -gline-directives-only -g0 %s 2>&1 \
152 // RUN:             | FileCheck -check-prefix=GLIO_NO %s
153 //
154 // RUN: %clang -### -c -grecord-gcc-switches %s 2>&1 \
155 //             | FileCheck -check-prefix=GRECORD %s
156 // RUN: %clang -### -c -gno-record-gcc-switches %s 2>&1 \
157 //             | FileCheck -check-prefix=GNO_RECORD %s
158 // RUN: %clang -### -c -grecord-gcc-switches -gno-record-gcc-switches %s 2>&1 \
159 //             | FileCheck -check-prefix=GNO_RECORD %s/
160 // RUN: %clang -### -c -grecord-gcc-switches -o - %s 2>&1 \
161 //             | FileCheck -check-prefix=GRECORD_O %s
162 // RUN: %clang -### -c -O3 -ffunction-sections -grecord-gcc-switches %s 2>&1 \
163 //             | FileCheck -check-prefix=GRECORD_OPT %s
164 //
165 // RUN: %clang -### -c -grecord-command-line %s 2>&1 \
166 //             | FileCheck -check-prefix=GRECORD %s
167 // RUN: %clang -### -c -gno-record-command-line %s 2>&1 \
168 //             | FileCheck -check-prefix=GNO_RECORD %s
169 // RUN: %clang -### -c -grecord-command-line -gno-record-command-line %s 2>&1 \
170 //             | FileCheck -check-prefix=GNO_RECORD %s/
171 // RUN: %clang -### -c -grecord-command-line -o - %s 2>&1 \
172 //             | FileCheck -check-prefix=GRECORD_O %s
173 // RUN: %clang -### -c -O3 -ffunction-sections -grecord-command-line %s 2>&1 \
174 //             | FileCheck -check-prefix=GRECORD_OPT %s
175 //
176 // RUN: %clang -### -c -gstrict-dwarf -gno-strict-dwarf %s 2>&1 \
177 // RUN:        | FileCheck -check-prefix=GIGNORE %s
178 //
179 // RUN: %clang -### -c -ggnu-pubnames %s 2>&1 | FileCheck -check-prefix=GPUB %s
180 // RUN: %clang -### -c -ggdb %s 2>&1 | FileCheck -check-prefix=NOPUB %s
181 // RUN: %clang -### -c -ggnu-pubnames -gno-gnu-pubnames %s 2>&1 | FileCheck -check-prefix=NOPUB %s
182 // RUN: %clang -### -c -ggnu-pubnames -gno-pubnames %s 2>&1 | FileCheck -check-prefix=NOPUB %s
183 //
184 // RUN: %clang -### -c -gpubnames %s 2>&1 | FileCheck -check-prefix=PUB %s
185 // RUN: %clang -### -c -ggdb %s 2>&1 | FileCheck -check-prefix=NOPUB %s
186 // RUN: %clang -### -c -gpubnames -gno-gnu-pubnames %s 2>&1 | FileCheck -check-prefix=NOPUB %s
187 // RUN: %clang -### -c -gpubnames -gno-pubnames %s 2>&1 | FileCheck -check-prefix=NOPUB %s
188 //
189 // RUN: %clang -### -c -gsplit-dwarf %s 2>&1 | FileCheck -check-prefix=GPUB %s
190 // RUN: %clang -### -c -gsplit-dwarf -gno-pubnames %s 2>&1 | FileCheck -check-prefix=NOPUB %s
191 //
192 // RUN: %clang -### -c -fdebug-ranges-base-address %s 2>&1 | FileCheck -check-prefix=RNGBSE %s
193 // RUN: %clang -### -c %s 2>&1 | FileCheck -check-prefix=NORNGBSE %s
194 // RUN: %clang -### -c -fdebug-ranges-base-address -fno-debug-ranges-base-address %s 2>&1 | FileCheck -check-prefix=NORNGBSE %s
195 //
196 // RUN: %clang -### -c -glldb %s 2>&1 | FileCheck -check-prefix=GPUB %s
197 // RUN: %clang -### -c -glldb -gno-pubnames %s 2>&1 | FileCheck -check-prefix=NOPUB %s
198 //
199 // RUN: %clang -### -c -gdwarf-aranges %s 2>&1 | FileCheck -check-prefix=GARANGE %s
200 //
201 // RUN: %clang -### -fdebug-types-section -target x86_64-unknown-linux %s 2>&1 \
202 // RUN:        | FileCheck -check-prefix=FDTS %s
203 //
204 // RUN: %clang -### -fdebug-types-section -fno-debug-types-section -target x86_64-unknown-linux %s 2>&1 \
205 // RUN:        | FileCheck -check-prefix=NOFDTS %s
206 //
207 // RUN: %clang -### -fdebug-types-section -target x86_64-apple-darwin %s 2>&1 \
208 // RUN:        | FileCheck -check-prefix=FDTSE %s
209 //
210 // RUN: %clang -### -fdebug-types-section -fno-debug-types-section -target x86_64-apple-darwin %s 2>&1 \
211 // RUN:        | FileCheck -check-prefix=NOFDTSE %s
212 //
213 // RUN: %clang -### -g -gno-column-info %s 2>&1 \
214 // RUN:        | FileCheck -check-prefix=NOCI %s
215 //
216 // RUN: %clang -### -g -target x86_64-unknown-unknown %s 2>&1 \
217 //             | FileCheck -check-prefix=CI %s
218 //
219 // RUN: %clang -### -gmodules %s 2>&1 \
220 // RUN:        | FileCheck -check-prefix=GEXTREFS %s
221 //
222 // RUN: %clang -### -gmodules -g %s 2>&1 \
223 // RUN:        | FileCheck -check-prefix=GEXTREFS %s
224 //
225 // RUN: %clang -### -gline-tables-only -gmodules %s 2>&1 \
226 // RUN:        | FileCheck -check-prefix=GEXTREFS %s
227 //
228 // RUN: %clang -### -gmodules -gline-tables-only %s 2>&1 \
229 // RUN:        | FileCheck -check-prefix=GLTO_ONLY %s
230 //
231 // RUN: %clang -### -target %itanium_abi_triple -gmodules -gline-directives-only %s 2>&1 \
232 // RUN:        | FileCheck -check-prefix=GLIO_ONLY %s
233 //
234 // NOG_PS4: "-cc1"
235 // NOG_PS4-NOT "-dwarf-version=
236 // NOG_PS4: "-generate-arange-section"
237 // NOG_PS4-NOT: "-dwarf-version=
238 //
239 // G_PS4: "-cc1"
240 // G_PS4: "-dwarf-version=
241 // G_PS4: "-generate-arange-section"
242 //
243 // G_ERR: error: unknown argument:
244 //
245 // G_NO: "-cc1"
246 // G_NO-NOT: -debug-info-kind=
247 //
248 // GLTO_ONLY: "-cc1"
249 // GLTO_ONLY-NOT: "-dwarf-ext-refs"
250 // GLTO_ONLY: "-debug-info-kind=line-tables-only"
251 // GLTO_ONLY-NOT: "-dwarf-ext-refs"
252 //
253 // GLTO_ONLY_DWARF2: "-cc1"
254 // GLTO_ONLY_DWARF2: "-debug-info-kind=line-tables-only"
255 // GLTO_ONLY_DWARF2: "-dwarf-version=2"
256 //
257 // GLIO_ONLY: "-cc1"
258 // GLIO_ONLY-NOT: "-dwarf-ext-refs"
259 // GLIO_ONLY: "-debug-info-kind=line-directives-only"
260 // GLIO_ONLY-NOT: "-dwarf-ext-refs"
261 //
262 // GLIO_ONLY_DWARF2: "-cc1"
263 // GLIO_ONLY_DWARF2: "-debug-info-kind=line-directives-only"
264 // GLIO_ONLY_DWARF2: "-dwarf-version=2"
265 //
266 // G_ONLY: "-cc1"
267 // G_ONLY: "-debug-info-kind=limited"
268 //
269 // These tests assert that "-gline-tables-only" "-g" uses the latter,
270 // but otherwise not caring about the DebugInfoKind.
271 // G_ONLY_DWARF2: "-cc1"
272 // G_ONLY_DWARF2: "-debug-info-kind={{standalone|limited}}"
273 // G_ONLY_DWARF2: "-dwarf-version=2"
274 //
275 // G_STANDALONE: "-cc1"
276 // G_STANDALONE: "-debug-info-kind=standalone"
277 // G_LIMITED: "-cc1"
278 // G_LIMITED: "-debug-info-kind=limited"
279 // G_DWARF2: "-dwarf-version=2"
280 // G_DWARF4: "-dwarf-version=4"
281 //
282 // G_GDB:  "-debugger-tuning=gdb"
283 // G_LLDB: "-debugger-tuning=lldb"
284 // G_SCE:  "-debugger-tuning=sce"
285 //
286 // G_NOTUNING: "-cc1"
287 // G_NOTUNING-NOT: "-debugger-tuning="
288 //
289 // This tests asserts that "-gline-tables-only" "-g0" disables debug info.
290 // GLTO_NO: "-cc1"
291 // GLTO_NO-NOT: -debug-info-kind=
292 //
293 // This tests asserts that "-gline-directives-only" "-g0" disables debug info.
294 // GLIO_NO: "-cc1"
295 // GLIO_NO-NOT: -debug-info-kind=
296 //
297 // GRECORD: "-dwarf-debug-flags"
298 // GRECORD: -### -c -grecord-gcc-switches
299 //
300 // GNO_RECORD-NOT: "-dwarf-debug-flags"
301 // GNO_RECORD-NOT: -### -c -grecord-gcc-switches
302 //
303 // GRECORD_O: "-dwarf-debug-flags"
304 // GRECORD_O: -### -c -grecord-gcc-switches -o -
305 //
306 // GRECORD_OPT: -### -c -O3 -ffunction-sections -grecord-gcc-switches
307 //
308 // GIGNORE-NOT: "argument unused during compilation"
309 //
310 // GPUB: -ggnu-pubnames
311 // NOPUB-NOT: -ggnu-pubnames
312 // NOPUB-NOT: -gpubnames
313 //
314 // PUB: -gpubnames
315 //
316 // RNGBSE: -fdebug-ranges-base-address
317 // NORNGBSE-NOT: -fdebug-ranges-base-address
318 //
319 // GARANGE: -generate-arange-section
320 //
321 // FDTS: "-mllvm" "-generate-type-units"
322 // FDTSE: error: unsupported option '-fdebug-types-section' for target 'x86_64-apple-darwin'
323 //
324 // NOFDTS-NOT: "-mllvm" "-generate-type-units"
325 // NOFDTSE-NOT: error: unsupported option '-fdebug-types-section' for target 'x86_64-apple-darwin'
326 //
327 // CI: "-dwarf-column-info"
328 //
329 // NOCI-NOT: "-dwarf-column-info"
330 //
331 // GEXTREFS: "-dwarf-ext-refs" "-fmodule-format=obj"
332 // GEXTREFS: "-debug-info-kind={{standalone|limited}}"
333 
334 // RUN: not %clang -cc1 -debug-info-kind=watkind 2>&1 | FileCheck -check-prefix=BADSTRING1 %s
335 // BADSTRING1: error: invalid value 'watkind' in '-debug-info-kind=watkind'
336 // RUN: not %clang -cc1 -debugger-tuning=gmodal 2>&1 | FileCheck -check-prefix=BADSTRING2 %s
337 // BADSTRING2: error: invalid value 'gmodal' in '-debugger-tuning=gmodal'
338 
339 // RUN: %clang -### -fdebug-macro    %s 2>&1 | FileCheck -check-prefix=MACRO %s
340 // RUN: %clang -### -fno-debug-macro %s 2>&1 | FileCheck -check-prefix=NOMACRO %s
341 // RUN: %clang -###                  %s 2>&1 | FileCheck -check-prefix=NOMACRO %s
342 // MACRO: "-debug-info-macro"
343 // NOMACRO-NOT: "-debug-info-macro"
344 //
345 // RUN: %clang -### -gdwarf-5 -gembed-source %s 2>&1 | FileCheck -check-prefix=GEMBED_5 %s
346 // RUN: %clang -### -gdwarf-2 -gembed-source %s 2>&1 | FileCheck -check-prefix=GEMBED_2 %s
347 // RUN: %clang -### -gdwarf-5 -gno-embed-source %s 2>&1 | FileCheck -check-prefix=NOGEMBED_5 %s
348 // RUN: %clang -### -gdwarf-2 -gno-embed-source %s 2>&1 | FileCheck -check-prefix=NOGEMBED_2 %s
349 //
350 // GEMBED_5:  "-gembed-source"
351 // GEMBED_2:  error: invalid argument '-gembed-source' only allowed with '-gdwarf-5'
352 // NOGEMBED_5-NOT:  "-gembed-source"
353 // NOGEMBED_2-NOT:  error: invalid argument '-gembed-source' only allowed with '-gdwarf-5'
354