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workaround for gcc 4.1.0 strict-aliasing bug

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mysys/lf_alloc-pin.c:
  workaround for gcc 4.1.0 strict-aliasing bug.
  and yes, I mean a *bug* - as union (in alloc_free) is a
  documented way to access type-punned pointers. and it helps in
  newer gcc, but fails in 4.1.0
This commit is contained in:
Sergei Golubchik 2008-10-07 18:49:01 +02:00
parent cf4aa88993
commit 10a2bac777
1 changed files with 1 additions and 1 deletions
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mysys/lf_alloc-pin.c
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@ -320,7 +320,7 @@ static int match_pins(LF_PINS *el, void *addr)
#define available_stack_size(CUR,END) (long) ((char*)(END) - (char*)(CUR)) #define available_stack_size(CUR,END) (long) ((char*)(END) - (char*)(CUR))
#endif #endif
#define next_node(P, X) (*((uchar **)(((uchar *)(X)) + (P)->free_ptr_offset))) #define next_node(P, X) (*((uchar * volatile *)(((uchar *)(X)) + (P)->free_ptr_offset)))
#define anext_node(X) next_node(&allocator->pinbox, (X)) #define anext_node(X) next_node(&allocator->pinbox, (X))
/* /*