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Sync ansidecl.h with GCC

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Sync with GCC
	2015-03-02  Markus Trippelsdorf  <markus@trippelsdorf.de>

	PR target/65261
	* ansidecl.h (ATTRIBUTE_NO_SANITIZE_UNDEFINED): New macro.
This commit is contained in:
H.J. Lu
2015-07-14 09:10:59 -07:00
parent 49d00f48e8
commit 4d6404f01d
2 changed files with 17 additions and 0 deletions
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9
include/ansidecl.h
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@ -274,6 +274,15 @@ So instead we use the macro below and test it against specific values. */
# endif /* GNUC >= 4.3 */
#endif /* ATTRIBUTE_HOT */
/* Attribute 'no_sanitize_undefined' was valid as of gcc 4.9. */
#ifndef ATTRIBUTE_NO_SANITIZE_UNDEFINED
# if (GCC_VERSION >= 4009)
# define ATTRIBUTE_NO_SANITIZE_UNDEFINED __attribute__ ((no_sanitize_undefined))
# else
# define ATTRIBUTE_NO_SANITIZE_UNDEFINED
# endif /* GNUC >= 4.9 */
#endif /* ATTRIBUTE_NO_SANITIZE_UNDEFINED */
/* We use __extension__ in some places to suppress -pedantic warnings
about GCC extensions. This feature didn't work properly before
gcc 2.8. */