Fix use after free error

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@300304 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/CoverageMappingGen.cpp b/lib/CodeGen/CoverageMappingGen.cpp
index c74e7b57714264d124b54cbc284ff36db2582955..0f87f8d50c6404030c00c6717c40525a4ce7b5fe 100644 (file)
--- a/lib/CodeGen/CoverageMappingGen.cpp
+++ b/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());
 }