Fix namespace polution.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109440 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/Sema/AnalysisBasedWarnings.cpp b/lib/Sema/AnalysisBasedWarnings.cpp
index 3c09122394..3d2c45f3f8 100644
--- a/lib/Sema/AnalysisBasedWarnings.cpp
+++ b/lib/Sema/AnalysisBasedWarnings.cpp
@@ -197,6 +197,8 @@ static ControlFlowKind CheckFallThrough(AnalysisContext &AC) {
   return AlwaysFallThrough;
 }
 
+namespace {
+
 struct CheckFallThroughDiagnostics {
   unsigned diag_MaybeFallThrough_HasNoReturn;
   unsigned diag_MaybeFallThrough_ReturnsNonVoid;
@@ -266,6 +268,8 @@ struct CheckFallThroughDiagnostics {
   }
 };
 
+}
+
 /// CheckFallThroughForFunctionDef - Check that we don't fall off the end of a
 /// function that should return a value.  Check that we don't fall off the end
 /// of a noreturn function.  We assume that functions and blocks not marked