Wrap bit mangling logic for DiagMappings in its own class so it doesn't leak

into other code. Make it an array instead of a constant-length vector.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109384 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 5 deletions

diff --git a/lib/Basic/Diagnostic.cpp b/lib/Basic/Diagnostic.cpp
index 68548da0cb..f956f1aec8 100644
--- a/lib/Basic/Diagnostic.cpp
+++ b/lib/Basic/Diagnostic.cpp
@@ -334,11 +334,8 @@ void Diagnostic::Reset() {
   DelayedDiagID = 0;
 
   // Set all mappings to 'unset'.
-  while (!DiagMappingsStack.empty())
-    DiagMappingsStack.pop_back();
-  
-  DiagMappings BlankDiags(diag::DIAG_UPPER_LIMIT/2, 0);
-  DiagMappingsStack.push_back(BlankDiags);
+  DiagMappingsStack.clear();
+  DiagMappingsStack.push_back(DiagMappings());
 }
 
 /// getDescription - Given a diagnostic ID, return a description of the