Fix memory leak in ToolChain::TranslateOpenMPTargetArgs

rL310433 introduced a code path where DAL is not returned and must be freed.
This change allows to run openmp-offload.c when Clang is built with ASan.

llvm-svn: 310817

1 files changed, 5 insertions, 1 deletions

diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp
index c7c377971e5..0476d156f56 100644
--- a/clang/lib/Driver/ToolChain.cpp
+++ b/clang/lib/Driver/ToolChain.cpp
@@ -859,7 +859,11 @@ ToolChain::TranslateOpenMPTargetArgs(const llvm::opt::DerivedArgList &Args,
       NewArgAdded = true;
     }
 
-    return NewArgAdded ? DAL : nullptr;
+    if (NewArgAdded) {
+      return DAL;
+    } else {
+      delete DAL;
+    }
   }
 
   return nullptr;