[llvm] r278119 - Add `#ifdef __cplusplus` around `extern "C"` in Compiler.h. NFC.

[Kuba Brecka via llvm-commits]

Author: kuba.brecka
Date: Tue Aug  9 07:12:15 2016
New Revision: 278119

URL: http://llvm.org/viewvc/llvm-project?rev=278119&view=rev
Log:
Add `#ifdef __cplusplus` around `extern "C"` in Compiler.h.  NFC.


Modified:
    llvm/trunk/include/llvm/Support/Compiler.h

Modified: llvm/trunk/include/llvm/Support/Compiler.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/Compiler.h?rev=278119&r1=278118&r2=278119&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/Compiler.h (original)
+++ llvm/trunk/include/llvm/Support/Compiler.h Tue Aug  9 07:12:15 2016
@@ -405,12 +405,16 @@
 // Thread Sanitizer is a tool that finds races in code.
 // See http://code.google.com/p/data-race-test/wiki/DynamicAnnotations .
 // tsan detects these exact functions by name.
+#ifdef __cplusplus
 extern "C" {
+#endif
 void AnnotateHappensAfter(const char *file, int line, const volatile void *cv);
 void AnnotateHappensBefore(const char *file, int line, const volatile void *cv);
 void AnnotateIgnoreWritesBegin(const char *file, int line);
 void AnnotateIgnoreWritesEnd(const char *file, int line);
+#ifdef __cplusplus
 }
+#endif
 
 // This marker is used to define a happens-before arc. The race detector will
 // infer an arc from the begin to the end when they share the same pointer