[PATCH] nedmalloc: Fix a compile warning (exposed as error) with GCC 4.7.2
From: Sebastian Schuberth <hidden>
Date: 2016-06-15 22:55:30
Subsystem:
the rest · Maintainer:
Linus Torvalds
On MinGW, GCC 4.7.2 complains about
operation on 'p->m[end]' may be undefined
Fix this by replacing the faulty lines with those of 69825ca from
https://github.com/ned14/nedmalloc/blob/master/nedmalloc.c
Signed-off-by: Sebastian Schuberth <redacted>
---
compat/nedmalloc/nedmalloc.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/compat/nedmalloc/nedmalloc.c b/compat/nedmalloc/nedmalloc.c
index d9a17a8..91c4e7f 100644
--- a/compat/nedmalloc/nedmalloc.c
+++ b/compat/nedmalloc/nedmalloc.c@@ -603,7 +603,10 @@ static NOINLINE mstate FindMSpace(nedpool *p, threadcache *tc, int *lastUsed, si } /* We really want to make sure this goes into memory now but we have to be careful of breaking aliasing rules, so write it twice */ - *((volatile struct malloc_state **) &p->m[end])=p->m[end]=temp; + { + volatile struct malloc_state **_m=(volatile struct malloc_state **) &p->m[end]; + *_m=(p->m[end]=temp); + } ACQUIRE_LOCK(&p->m[end]->mutex); /*printf("Created mspace idx %d\n", end);*/ RELEASE_LOCK(&p->mutex);
--
1.8.0.msysgit.1