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unconditonally define alloca as __builtin_alloca

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This enables alternative compilers, which may not define __GNUC__,
to implement alloca, which is still fairly widely used.

This is similar to how stdarg.h already works in musl; compilers must
implement __builtin_va_arg, there is no fallback definition.
This commit is contained in:
Michael Forney 2019-11-19 01:56:34 -08:00 committed by Rich Felker
parent d3f7df2359
commit a56ec7e8e2
1 changed files with 0 additions and 2 deletions
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2
include/alloca.h
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@ -10,9 +10,7 @@ extern "C" {
void *alloca(size_t); void *alloca(size_t);
#ifdef __GNUC__
#define alloca __builtin_alloca #define alloca __builtin_alloca
#endif
#ifdef __cplusplus #ifdef __cplusplus
} }