[Win32] Catch exceptions (eg. segfault) on waiting for invoked clang from the driver.
clang/lib/Driver/Driver.cpp: Don't pass through negative exit status, or parent would be confused.
llvm::sys::Program::Wait(): Suppose 0x8000XXXX and 0xC000XXXX as abnormal exit code and pass it as negative value.
Win32 Exception Handler: Exit with ExceptionCode on an unhandle exception.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145389 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Windows/Program.inc b/lib/Support/Windows/Program.inc
index 7e38168..80cb7cc 100644
--- a/lib/Support/Windows/Program.inc
+++ b/lib/Support/Windows/Program.inc
@@ -367,7 +367,17 @@
return -2;
}
- return status & 0377;
+ if (!status)
+ return 0;
+
+ // Pass 10(Warning) and 11(Error) to the callee as negative value.
+ if ((status & 0xBFFF0000U) == 0x80000000U)
+ return (int)status;
+
+ if (status & 0xFF)
+ return status & 0x7FFFFFFF;
+
+ return 1;
}
bool