diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp
index fe8e9c7f07d..aa887d21777 100644
--- a/lib/AsmParser/LLParser.cpp
+++ b/lib/AsmParser/LLParser.cpp
@@ -2787,6 +2787,10 @@ bool LLParser::ParseFunctionHeader(Function *&Fn, bool isDefine) {
       ForwardRefVals.find(FunctionName);
     if (FRVI != ForwardRefVals.end()) {
       Fn = M->getFunction(FunctionName);
+      if (Fn->getType() != PFT)
+        return Error(FRVI->second.second, "invalid forward reference to "
+                     "function '" + FunctionName + "' with wrong type!");
+      
       ForwardRefVals.erase(FRVI);
     } else if ((Fn = M->getFunction(FunctionName))) {
       // If this function already exists in the symbol table, then it is
diff --git a/test/Bitcode/memcpy.ll b/test/Bitcode/memcpy.ll
index b6573b5f621..299eb1ed41e 100644
--- a/test/Bitcode/memcpy.ll
+++ b/test/Bitcode/memcpy.ll
@@ -20,4 +20,4 @@ declare void @llvm.memset.i32(i8*, i8, i32, i32)
 
 declare void @llvm.memmove.i32(i8*, i8*, i32, i32)
 
-declare void @llvm.memmove.i64(i8*, i8*, i32, i32)
+declare void @llvm.memmove.i64(i8*, i8*, i64, i32)