When instantiating a function that was declared via a typedef, e.g.,

    typedef int functype(int, int);
    functype func;

also instantiate the synthesized function parameters for the resulting
function declaration. 

With this change, Boost.Wave builds and passes all of its regression
tests.

llvm-svn: 103025

1 files changed, 4 insertions, 1 deletions

diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index 4963e73fe46..48ae5113b3a 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -495,7 +495,10 @@ CollectRecordFields(const RecordDecl *RD, llvm::DIFile Unit,
 llvm::DIType
 CGDebugInfo::getOrCreateMethodType(const CXXMethodDecl *Method,
                                    llvm::DIFile Unit) {
-  llvm::DIType FnTy = getOrCreateType(Method->getType(), Unit);
+  llvm::DIType FnTy
+    = getOrCreateType(QualType(Method->getType()->getAs<FunctionProtoType>(),
+                               0),
+                      Unit);
   
   // Static methods do not need "this" pointer argument.
   if (Method->isStatic())