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	because opt exited while llvm-as was still writing to the pipe, causing it to get a SIGPIPE. It seems best to change things to avoid the race altogether. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54138 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
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			82 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			4 lines
		
	
	
		
			82 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: not opt --foo |& grep {Unknown command line argument}
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; there is no --foo
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