Merge part of r246985, which disables this assertion

git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_37@253380 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp
index 3e4d7f3..0bcf59b 100644
--- a/lib/CodeGen/CGCall.cpp
+++ b/lib/CodeGen/CGCall.cpp
@@ -1279,12 +1279,7 @@
     }
     break;
 
-  case ABIArgInfo::Indirect: {
-    assert(!retAI.getIndirectAlign() && "Align unused on indirect return.");
-    resultType = llvm::Type::getVoidTy(getLLVMContext());
-    break;
-  }
-
+  case ABIArgInfo::Indirect:
   case ABIArgInfo::Ignore:
     resultType = llvm::Type::getVoidTy(getLLVMContext());
     break;
diff --git a/test/CodeGen/libcalls-fno-builtin.c b/test/CodeGen/libcalls-fno-builtin.c
index e7f3ef7..46e3420 100644
--- a/test/CodeGen/libcalls-fno-builtin.c
+++ b/test/CodeGen/libcalls-fno-builtin.c
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -S -O3 -fno-builtin -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-w64-mingw32 -S -O3 -fno-builtin -o - %s | FileCheck %s
 // rdar://10551066
 
 typedef __SIZE_TYPE__ size_t;