Fix for compilers with older CRT header libraries.

llvm-svn: 303220

diff --git a/llvm/lib/Support/CrashRecoveryContext.cpp b/llvm/lib/Support/CrashRecoveryContext.cpp
index a8e34e5..f496304 100644 (file)
--- a/llvm/lib/Support/CrashRecoveryContext.cpp
+++ b/llvm/lib/Support/CrashRecoveryContext.cpp
@@ -164,10 +164,15 @@ CrashRecoveryContext::unregisterCleanup(CrashRecoveryContextCleanup *cleanup) {
 
 static LONG CALLBACK ExceptionHandler(PEXCEPTION_POINTERS ExceptionInfo)
 {
+#ifdef DBG_PRINTEXCEPTION_WIDE_C
+  constexpr ULONG WideDbgPrintValue = DBG_PRINTEXCEPTION_WIDE_C;
+#else
+  constexpr ULONG WideDbgPrintValue = 0x4001000AL;
+#endif
   switch (ExceptionInfo->ExceptionRecord->ExceptionCode)
   {
   case DBG_PRINTEXCEPTION_C:
-  case DBG_PRINTEXCEPTION_WIDE_C:
+  case WideDbgPrintValue:
   case 0x406D1388:  // set debugger thread name
     return EXCEPTION_CONTINUE_EXECUTION;
   }