[llvm-cov] Demangle symbols in function summaries (fixes PR31394)

llvm-svn: 294136
diff --git a/llvm/tools/llvm-cov/CoverageReport.h b/llvm/tools/llvm-cov/CoverageReport.h
index 7a41649..071be2e 100644
--- a/llvm/tools/llvm-cov/CoverageReport.h
+++ b/llvm/tools/llvm-cov/CoverageReport.h
@@ -25,14 +25,16 @@
   const coverage::CoverageMapping &Coverage;
 
   void render(const FileCoverageSummary &File, raw_ostream &OS) const;
-  void render(const FunctionCoverageSummary &Function, raw_ostream &OS) const;
+  void render(const FunctionCoverageSummary &Function, const DemangleCache &DC,
+              raw_ostream &OS) const;
 
 public:
   CoverageReport(const CoverageViewOptions &Options,
                  const coverage::CoverageMapping &Coverage)
       : Options(Options), Coverage(Coverage) {}
 
-  void renderFunctionReports(ArrayRef<std::string> Files, raw_ostream &OS);
+  void renderFunctionReports(ArrayRef<std::string> Files,
+                             const DemangleCache &DC, raw_ostream &OS);
 
   /// Prepare file reports for the files specified in \p Files.
   static std::vector<FileCoverageSummary>