[libcxxabi] r280251 - Wrap LIBCXXABI_USE_LLVM_UNWINDER with defined().

[Logan Chien via cfe-commits]

Author: logan
Date: Wed Aug 31 10:16:40 2016
New Revision: 280251

URL: http://llvm.org/viewvc/llvm-project?rev=280251&view=rev
Log:
Wrap LIBCXXABI_USE_LLVM_UNWINDER with defined().

This commit fixes -Wundef by replacing:

    #if !LIBCXXABI_USE_LLVM_UNWINDER

with:

    #if !defined(LIBCXXABI_USE_LLVM_UNWINDER)

Modified:
    libcxxabi/trunk/src/cxa_personality.cpp

Modified: libcxxabi/trunk/src/cxa_personality.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxxabi/trunk/src/cxa_personality.cpp?rev=280251&r1=280250&r2=280251&view=diff
==============================================================================
--- libcxxabi/trunk/src/cxa_personality.cpp (original)
+++ libcxxabi/trunk/src/cxa_personality.cpp Wed Aug 31 10:16:40 2016
@@ -1035,7 +1035,7 @@ static _Unwind_Reason_Code continue_unwi
 }
 
 // ARM register names
-#if !LIBCXXABI_USE_LLVM_UNWINDER
+#if !defined(LIBCXXABI_USE_LLVM_UNWINDER)
 static const uint32_t REG_UCB = 12;  // Register to save _Unwind_Control_Block
 #endif
 static const uint32_t REG_SP = 13;
@@ -1071,7 +1071,7 @@ __gxx_personality_v0(_Unwind_State state
     bool native_exception = (unwind_exception->exception_class & get_vendor_and_language) ==
                             (kOurExceptionClass & get_vendor_and_language);
 
-#if !LIBCXXABI_USE_LLVM_UNWINDER
+#if !defined(LIBCXXABI_USE_LLVM_UNWINDER)
     // Copy the address of _Unwind_Control_Block to r12 so that
     // _Unwind_GetLanguageSpecificData() and _Unwind_GetRegionStart() can
     // return correct address.