[libunwind] r266916 - unwind: remove a second instance of -Wexpansion-to-defined

[Saleem Abdulrasool via cfe-commits]

Author: compnerd
Date: Wed Apr 20 15:54:55 2016
New Revision: 266916

URL: http://llvm.org/viewvc/llvm-project?rev=266916&view=rev
Log:
unwind: remove a second instance of -Wexpansion-to-defined

Remove the use of undefined behaviour in the c preprocessor by always defining
the value according to the state that was being checked.  NFC.

Modified:
    libunwind/trunk/src/config.h

Modified: libunwind/trunk/src/config.h
URL: http://llvm.org/viewvc/llvm-project/libunwind/trunk/src/config.h?rev=266916&r1=266915&r2=266916&view=diff
==============================================================================
--- libunwind/trunk/src/config.h (original)
+++ libunwind/trunk/src/config.h Wed Apr 20 15:54:55 2016
@@ -86,11 +86,14 @@
   #endif
 #endif
 
-#define _LIBUNWIND_BUILD_ZERO_COST_APIS                                        \
-  (defined(__i386__) || defined(__x86_64__) ||                                 \
-   (!defined(__APPLE__) && defined(__arm__)) ||                                \
-   (defined(__arm64__) || defined(__aarch64__)) ||                             \
-   (defined(__APPLE__) && defined(__mips__)))
+#if defined(__i386__) || defined(__x86_64__) ||                                \
+    (!defined(__APPLE__) && defined(__arm__)) ||                               \
+    (defined(__arm64__) || defined(__aarch64__)) ||                            \
+    (defined(__APPLE__) && defined(__mips__))
+#define _LIBUNWIND_BUILD_ZERO_COST_APIS 1
+#else
+#define _LIBUNWIND_BUILD_ZERO_COST_APIS 0
+#endif
 
 // Macros that define away in non-Debug builds
 #ifdef NDEBUG