add explanatory comment

kastiglione · kastiglione · commit 9760533fe2f2 · 2021-01-26T12:40:27.000-08:00
diff --git a/lib/SIL/IR/SILModule.cpp b/lib/SIL/IR/SILModule.cpp
@@ -167,6 +167,8 @@ void SILModule::checkForLeaks() const {
 }
 
 void SILModule::checkForLeaksAfterDestruction() {
+// Disabled in release (non-assert) builds because this check fails in rare
+// cases in lldb, causing crashes. rdar://70826934
 #ifndef NDEBUG
   int numAllocated = SILInstruction::getNumCreatedInstructions() -
                      SILInstruction::getNumDeletedInstructions();

Original file line number	Diff line number	Diff line change
`@@ -167,6 +167,8 @@ void SILModule::checkForLeaks() const {`
`167`	`167`	`}`
`168`	`168`
`169`	`169`	`void SILModule::checkForLeaksAfterDestruction() {`
	`170`	`+// Disabled in release (non-assert) builds because this check fails in rare`
	`171`	`+// cases in lldb, causing crashes. rdar://70826934`
`170`	`172`	`#ifndef NDEBUG`
`171`	`173`	`int numAllocated = SILInstruction::getNumCreatedInstructions() -`
`172`	`174`	`SILInstruction::getNumDeletedInstructions();`