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Do not warn about unused macros while processing #pragma GCC optimize

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libcpp

	PR c++/91318
	* include/cpplib.h: Added cpp_define_unused(), cpp_define_formatted_unused()
	* directives.c: Likewise.

gcc/c-family

	PR c++/91318
	* c-cppbuiltin.c: c_cpp_builtins_optimize_pragma(): use cpp_define_unused()
This commit is contained in:
Piotr H. Dabrowski
2020-11-13 12:27:16 -05:00
committed by Jeff Law
parent e7e0eeeb6e
commit 6f1ae1ecd3
3 changed files with 34 additions and 7 deletions
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4
libcpp/include/cpplib.h
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@@ -1076,8 +1076,12 @@ extern cppchar_t cpp_host_to_exec_charset (cpp_reader *, cppchar_t);
/* Used to register macros and assertions, perhaps from the command line.
The text is the same as the command line argument. */
extern void cpp_define (cpp_reader *, const char *);
extern void cpp_define_unused (cpp_reader *, const char *);
extern void cpp_define_formatted (cpp_reader *pfile,
const char *fmt, ...) ATTRIBUTE_PRINTF_2;
extern void cpp_define_formatted_unused (cpp_reader *pfile,
const char *fmt,
...) ATTRIBUTE_PRINTF_2;
extern void cpp_assert (cpp_reader *, const char *);
extern void cpp_undef (cpp_reader *, const char *);
extern void cpp_unassert (cpp_reader *, const char *);