DwarfDebug: Delete orphaned children.

Leak found by valgrind.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189167 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 89531235358828a5521a5848714b1958dfea498c..f625afe71e16c5d7867a32af5b4d9c87dc94fafe 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -639,7 +639,10 @@ DIE *DwarfDebug::constructScopeDIE(CompileUnit *TheCU, LexicalScope *Scope) {
       constructImportedEntityDIE(TheCU, i->second, ScopeDIE);
   }
 
-  if (!ScopeDIE) return NULL;
+  if (!ScopeDIE) {
+    std::for_each(Children.begin(), Children.end(), deleter<DIE>);
+    return NULL;
+  }
 
   // Add children
   for (SmallVectorImpl<DIE *>::iterator I = Children.begin(),