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author Vladimir Marko <vmarko@google.com> 2014-03-31 15:32:56 +0100
committer Vladimir Marko <vmarko@google.com> 2014-03-31 15:34:32 +0100
commit8a76f1ed1d2f39beae3039b7b0938ca44b7f8bd6 (patch)
tree20096e426b048a2786b72466c387fb4cff1ee95a /compiler
parent7414375acad6170606903013d331f653173c299f (diff)
Mark ScopedArenaAllocator's allocations undefined for Valgrind.
Bug: 13659516 Change-Id: Id538c1bb1d256173a1f3db5ae0be920420da6d5d
Diffstat (limited to 'compiler')
-rw-r--r--compiler/utils/scoped_arena_allocator.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/utils/scoped_arena_allocator.cc b/compiler/utils/scoped_arena_allocator.cc
index a78d28792b..bd78eaef0d 100644
--- a/compiler/utils/scoped_arena_allocator.cc
+++ b/compiler/utils/scoped_arena_allocator.cc
@@ -99,6 +99,7 @@ void* ArenaStack::AllocValgrind(size_t bytes, ArenaAllocKind kind) {
}
CurrentStats()->RecordAlloc(bytes, kind);
top_ptr_ = ptr + rounded_bytes;
+ VALGRIND_MAKE_MEM_UNDEFINED(ptr, bytes);
VALGRIND_MAKE_MEM_NOACCESS(ptr + bytes, rounded_bytes - bytes);
return ptr;
}