NAKAMURA Takumi b92661d00a [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.

llvm-svn: 145389
2011-11-29 07:47:04 +00:00
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