Use a sidetable in ASTContext for ParmVarDecls whose index exceeds the 8 bits reserved for that value in VarDecl. Fixes PR 10538.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141273 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/AST/Decl.cpp b/lib/AST/Decl.cpp
index a4608eb81c..9870c8ea6b 100644
--- a/lib/AST/Decl.cpp
+++ b/lib/AST/Decl.cpp
@@ -1441,6 +1441,15 @@ bool ParmVarDecl::isParameterPack() const {
   return isa<PackExpansionType>(getType());
 }
 
+void ParmVarDecl::setParameterIndexLarge(unsigned parameterIndex) {
+  getASTContext().setParameterIndex(this, parameterIndex);
+  ParmVarDeclBits.ParameterIndex = ParameterIndexSentinel;
+}
+
+unsigned ParmVarDecl::getParameterIndexLarge() const {
+  return getASTContext().getParameterIndex(this);
+}
+
 //===----------------------------------------------------------------------===//
 // FunctionDecl Implementation
 //===----------------------------------------------------------------------===//