Fix use after free error

llvm-svn: 300304

diff --git a/clang/lib/CodeGen/CoverageMappingGen.cpp b/clang/lib/CodeGen/CoverageMappingGen.cpp
index c74e7b5..0f87f8d 100644 (file)
--- a/clang/lib/CodeGen/CoverageMappingGen.cpp
+++ b/clang/lib/CodeGen/CoverageMappingGen.cpp
@@ -961,7 +961,7 @@ struct CounterCoverageMappingBuilder
   }
 };
 
-StringRef getCoverageSection(const CodeGenModule &CGM) {
+std::string getCoverageSection(const CodeGenModule &CGM) {
   return llvm::getInstrProfCoverageSectionName(&CGM.getModule());
 }