Fix PR11073 by adding the argument type information to the decl we construct

for the function type. Update a testcase accordingly.

Patch initially by Anders Waldenborg!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142700 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 3 deletions

diff --git a/lib/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp
index 8191f021da..7036682eb5 100644
--- a/lib/CodeGen/CodeGenFunction.cpp
+++ b/lib/CodeGen/CodeGenFunction.cpp
@@ -298,12 +298,19 @@ void CodeGenFunction::StartFunction(GlobalDecl GD, QualType RetTy,
 
   // Emit subprogram debug descriptor.
   if (CGDebugInfo *DI = getDebugInfo()) {
-    // FIXME: what is going on here and why does it ignore all these
-    // interesting type properties?
+    unsigned NumArgs = 0;
+    QualType *ArgsArray = new QualType[Args.size()];
+    for (FunctionArgList::const_iterator i = Args.begin(), e = Args.end();
+	 i != e; ++i) {
+      ArgsArray[NumArgs++] = (*i)->getType();
+    }
+
     QualType FnType =
-      getContext().getFunctionType(RetTy, 0, 0,
+      getContext().getFunctionType(RetTy, ArgsArray, NumArgs,
                                    FunctionProtoType::ExtProtoInfo());
 
+    delete ArgsArray;
+
     DI->setLocation(StartLoc);
     DI->EmitFunctionStart(GD, FnType, CurFn, Builder);
   }