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| author | Sergei Golubchik <serg@mysql.com> | 2008-10-07 18:49:01 +0200 |
|---|---|---|
| committer | Sergei Golubchik <serg@mysql.com> | 2008-10-07 18:49:01 +0200 |
| commit | 10a2bac7775912e25eeba593dbce055e2b30699b (patch) | |
| tree | ec3de1c68660cd832018aa6e28b430fec4f96505 | |
| parent | cf4aa88993e5da9057efd5c540cf2b6e6ab3d82b (diff) | |
| download | mariadb-git-10a2bac7775912e25eeba593dbce055e2b30699b.tar.gz | |
workaround for gcc 4.1.0 strict-aliasing bug
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
| -rw-r--r-- | mysys/lf_alloc-pin.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mysys/lf_alloc-pin.c b/mysys/lf_alloc-pin.c index 4fae8e37ddb..7c3e3785b68 100644 --- a/mysys/lf_alloc-pin.c +++ b/mysys/lf_alloc-pin.c @@ -320,7 +320,7 @@ static int match_pins(LF_PINS *el, void *addr) #define available_stack_size(CUR,END) (long) ((char*)(END) - (char*)(CUR)) #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)) /* |