* tsan/tsan_rtl.h: Cherry pick upstream r226829.

From-SVN: r220013

* tsan/tsan_rtl.h: Cherry pick upstream r226829.
From-SVN: r220013
19ac475f · Jakub Jelinek · Jakub Jelinek · a0d8720a · 19ac475f · 19ac475f
Commit 19ac475f authored Jan 22, 2015 by Jakub Jelinek Committed by Jakub Jelinek Jan 22, 2015
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libsanitizer/ChangeLog
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libsanitizer/tsan/tsan_rtl.h
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--- a/libsanitizer/ChangeLog
+++ b/libsanitizer/ChangeLog
+2015-01-22  Jakub Jelinek  <jakub@redhat.com>
+
+	* tsan/tsan_rtl.h: Cherry pick upstream r226829.
+
 2015-01-21  Jakub Jelinek  <jakub@redhat.com>

 	PR sanitizer/64435

--- a/libsanitizer/tsan/tsan_rtl.h
+++ b/libsanitizer/tsan/tsan_rtl.h
@@ -679,7 +679,7 @@ void AcquireReleaseImpl(ThreadState *thr, uptr pc, SyncClock *c);
 // The trick is that the call preserves all registers and the compiler
 // does not treat it as a call.
 // If it does not work for you, use normal call.
-#if TSAN_DEBUG == 0
+#if TSAN_DEBUG == 0 && defined(__x86_64__)
 // The caller may not create the stack frame for itself at all,
 // so we create a reserve stack frame for it (1024b must be enough).
 #define HACKY_CALL(f) \