[PATCH] D103664: [Windows SEH]: Fix -O2 crash for Windows -EHa

[Ten Tzen via Phabricator via cfe-commits]

tentzen updated this revision to Diff 349939.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D103664/new/

https://reviews.llvm.org/D103664

Files:
  clang/lib/CodeGen/CGCleanup.cpp
  clang/lib/Driver/ToolChains/Clang.cpp


Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -7151,8 +7151,6 @@
     if (types::isCXX(InputType))
       CmdArgs.push_back("-fcxx-exceptions");
     CmdArgs.push_back("-fexceptions");
-    if (EH.Asynch)
-      CmdArgs.push_back("-fasync-exceptions");
   }
   if (types::isCXX(InputType) && EH.Synch && EH.NoUnwindC)
     CmdArgs.push_back("-fexternc-nounwind");
Index: clang/lib/CodeGen/CGCleanup.cpp
===================================================================
--- clang/lib/CodeGen/CGCleanup.cpp
+++ clang/lib/CodeGen/CGCleanup.cpp
@@ -195,7 +195,7 @@
     Scope->setLifetimeMarker();
 
   // With Windows -EHa, Invoke llvm.seh.scope.begin() for EHCleanup
-  if (CGF->getLangOpts().EHAsynch && IsEHCleanup &&
+  if (CGF->getLangOpts().EHAsynch && IsEHCleanup && !IsLifetimeMarker &&
       CGF->getTarget().getCXXABI().isMicrosoft())
     CGF->EmitSehCppScopeBegin();
 


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