1 files changed, 1 insertions, 3 deletions
diff --git a/clang/lib/CodeGen/CodeGenPGO.cpp b/clang/lib/CodeGen/CodeGenPGO.cpp
index 5d7c384..d68844d 100644
--- a/clang/lib/CodeGen/CodeGenPGO.cpp
+++ b/clang/lib/CodeGen/CodeGenPGO.cpp
@@ -28,8 +28,6 @@ static llvm::cl::opt<bool>
                          llvm::cl::desc("Enable value profiling"),
                          llvm::cl::Hidden, llvm::cl::init(false));
 
-extern llvm::cl::opt<bool> SystemHeadersCoverage;
-
 using namespace clang;
 using namespace CodeGen;
 
@@ -1024,7 +1022,7 @@ bool CodeGenPGO::skipRegionMappingForDecl(const Decl *D) {
   // Don't map the functions in system headers.
   const auto &SM = CGM.getContext().getSourceManager();
   auto Loc = D->getBody()->getBeginLoc();
-  return !SystemHeadersCoverage && SM.isInSystemHeader(Loc);
+  return SM.isInSystemHeader(Loc);
 }
 
 void CodeGenPGO::emitCounterRegionMapping(const Decl *D) {