Teach UninitializedValuesV2 to implicitly reason about C++

references by monitoring whether an access to
a variable is solely to compute it's lvalue or
to do an lvalue-to-rvalue conversion (i.e., a load).

llvm-svn: 123777

1 files changed, 3 insertions, 7 deletions

diff --git a/clang/lib/Sema/AnalysisBasedWarnings.cpp b/clang/lib/Sema/AnalysisBasedWarnings.cpp
index 4463d3fea53..eb8590d60cb 100644
--- a/clang/lib/Sema/AnalysisBasedWarnings.cpp
+++ b/clang/lib/Sema/AnalysisBasedWarnings.cpp
@@ -442,13 +442,9 @@ AnalysisBasedWarnings::IssueWarnings(sema::AnalysisBasedWarnings::Policy P,
   
   if (Diags.getDiagnosticLevel(diag::warn_var_is_uninit, D->getLocStart())
       != Diagnostic::Ignored) {
-    if (!S.getLangOptions().CPlusPlus) {
-      CFG *cfg = AC.getCFG();
-      if (cfg) {
-        UninitValsDiagReporter reporter(S);
-        runUninitializedVariablesAnalysis(*cast<DeclContext>(D), *cfg,
-                                          reporter);
-      }
+    if (CFG *cfg = AC.getCFG()) {
+      UninitValsDiagReporter reporter(S);
+      runUninitializedVariablesAnalysis(*cast<DeclContext>(D), *cfg, reporter);
     }
   }
 }