Hack: Add 'PathDiagnostic::flattenLocations()'. Because PlistDiagnosticClient

can use a PathLocation after any reference Stmts are reclaimed,
flattenLocation() converts those references to statements to source ranges.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68292 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/Frontend/PlistDiagnostics.cpp b/lib/Frontend/PlistDiagnostics.cpp
index 9649cf6188..575c3f3bfc 100644
--- a/lib/Frontend/PlistDiagnostics.cpp
+++ b/lib/Frontend/PlistDiagnostics.cpp
@@ -267,6 +267,10 @@ void PlistDiagnostics::HandlePathDiagnostic(const PathDiagnostic* D) {
     return;
   }
   
+  // We need to flatten the locations (convert Stmt* to locations) because
+  // the referenced statements may be freed by the time the diagnostics
+  // are emitted.
+  const_cast<PathDiagnostic*>(D)->flattenLocations();  
   BatchedDiags.push_back(D);
 }