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system.h (gcc_assert, [...]): Revert accidental commit in r148403. 

2009-06-11  David Daney  <ddaney@caviumnetworks.com>

	* system.h (gcc_assert, gcc_unreachable): Revert accidental commit
	in r148403.

From-SVN: r148404
This commit is contained in:
David Daney 2009-06-12 00:04:11 +00:00 committed by David Daney
parent 468059bcbb
commit 4de8ce3b52
2 changed files with 5 additions and 6 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2009-06-11 David Daney <ddaney@caviumnetworks.com>
* system.h (gcc_assert, gcc_unreachable): Revert accidental commit
in r148403.
2009-06-11 David Daney <ddaney@caviumnetworks.com>
PR c/39252

6
gcc/system.h
View File

@ -576,20 +576,14 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
#if ENABLE_ASSERT_CHECKING
#define gcc_assert(EXPR) \
((void)(!(EXPR) ? fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0 : 0))
#elif (__GNUC__ == 4) && (__GNUC_MINOR__) && 0
#define gcc_assert(EXPR) do { if (EXPR) __builtin_unreachable (); } while (0)
#else
/* Include EXPR, so that unused variable warnings do not occur. */
#define gcc_assert(EXPR) ((void)(0 && (EXPR)))
#endif
#if !ENABLE_ASSERT_CHECKING && (__GNUC__ == 4) && (__GNUC_MINOR__) && 0
#define gcc_unreachable() __builtin_unreachable ()
#else
/* Use gcc_unreachable() to mark unreachable locations (like an
unreachable default case of a switch. Do not use gcc_assert(0). */
#define gcc_unreachable() (fancy_abort (__FILE__, __LINE__, __FUNCTION__))
#endif
/* Provide a fake boolean type. We make no attempt to use the
C99 _Bool, as it may not be available in the bootstrap compiler,