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author | vladlosev <vladlosev@861a406c-534a-0410-8894-cb66d6ee9925> | 2011-06-13 20:09:57 +0000 |
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committer | vladlosev <vladlosev@861a406c-534a-0410-8894-cb66d6ee9925> | 2011-06-13 20:09:57 +0000 |
commit | 4f9248a4270559cf286cb12937ba78b58bde053f (patch) | |
tree | 6afe7654ba11810c67b145c3f5a8dfd352a44534 | |
parent | 95a77adfeb8f97d2a61956e2eda12afe7371f1db (diff) | |
download | googletest-4f9248a4270559cf286cb12937ba78b58bde053f.tar.gz |
Suppresses the tail-call optimization of StackGrowsDown() in GCC4.6 (by Paul Pluzhnikov).
git-svn-id: http://googletest.googlecode.com/svn/trunk@585 861a406c-534a-0410-8894-cb66d6ee9925
-rw-r--r-- | src/gtest-death-test.cc | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/gtest-death-test.cc b/src/gtest-death-test.cc index 8b2e413..44ff6b2 100644 --- a/src/gtest-death-test.cc +++ b/src/gtest-death-test.cc @@ -936,15 +936,17 @@ static int ExecDeathTestChildMain(void* child_arg) { // GTEST_NO_INLINE_ is required to prevent GCC 4.6 from inlining // StackLowerThanAddress into StackGrowsDown, which then doesn't give // correct answer. -bool StackLowerThanAddress(const void* ptr) GTEST_NO_INLINE_; -bool StackLowerThanAddress(const void* ptr) { +void StackLowerThanAddress(const void* ptr, bool* result) GTEST_NO_INLINE_; +void StackLowerThanAddress(const void* ptr, bool* result) { int dummy; - return &dummy < ptr; + *result = (&dummy < ptr); } bool StackGrowsDown() { int dummy; - return StackLowerThanAddress(&dummy); + bool result; + StackLowerThanAddress(&dummy, &result); + return result; } // A threadsafe implementation of fork(2) for threadsafe-style death tests |