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util: enforce unreachable()'s argument being a literal string

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This prevents the bugs fixed in the previous commits.

Signed-off-by: Eric Engestrom <eric@igalia.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22529>
This commit is contained in:
Eric Engestrom 2023-04-17 13:20:28 +01:00 • committed by Marge Bot
parent 5863bafbdc
commit 2dcd6bed6a
1 changed files with 3 additions and 3 deletions
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6
src/util/macros.h
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@ -122,17 +122,17 @@
#if defined(HAVE___BUILTIN_UNREACHABLE) || __has_builtin(__builtin_unreachable) #if defined(HAVE___BUILTIN_UNREACHABLE) || __has_builtin(__builtin_unreachable)
#define unreachable(str) \ #define unreachable(str) \
do { \ do { \
assert(!str); \ assert(!"" str); \
__builtin_unreachable(); \ __builtin_unreachable(); \
} while (0) } while (0)
#elif defined (_MSC_VER) #elif defined (_MSC_VER)
#define unreachable(str) \ #define unreachable(str) \
do { \ do { \
assert(!str); \ assert(!"" str); \
__assume(0); \ __assume(0); \
} while (0) } while (0)
#else #else
#define unreachable(str) assert(!str) #define unreachable(str) assert(!"" str)
#endif #endif
/** /**