UnsafeGuaranteedPeephole: Fix obvious mistake

aschwaighofer · aschwaighofer · commit 0883a96c13ab · 2016-05-06T15:59:48.000-07:00
Caught by ASAN.
diff --git a/lib/SILOptimizer/Transforms/UnsafeGuaranteedPeephole.cpp b/lib/SILOptimizer/Transforms/UnsafeGuaranteedPeephole.cpp
@@ -291,7 +291,7 @@ static bool removeGuaranteedRetainReleasePairs(SILFunction &F,
       UnsafeGuaranteedI->eraseFromParent();
 
       if (RestartAtBeginningOfBlock)
-        ++It = BB.begin();
+        It = BB.begin();
 
       Changed = true;
     }

Original file line number	Diff line number	Diff line change
`@@ -291,7 +291,7 @@ static bool removeGuaranteedRetainReleasePairs(SILFunction &F,`
`291`	`291`	`UnsafeGuaranteedI->eraseFromParent();`
`292`	`292`
`293`	`293`	`if (RestartAtBeginningOfBlock)`
`294`		`- ++It = BB.begin();`
	`294`	`+ It = BB.begin();`
`295`	`295`
`296`	`296`	`Changed = true;`
`297`	`297`	`}`