Use Itanium triple in test using -Wpadding

-Wpadding is not implemented in the Microsoft record layout builder.
This test only passes on Windows because PCH forces us to use the
Itanium record layout builder. I'm about to fix that, so change the
test to not rely on that ridiculous behavior.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@230524 91177308-0d34-0410-b5e6-96231b3b80d8

test/PCH/headersearch.cpp

@@ -15,20 +15,23 @@
 // RUN: echo '#include "orig_sub2.h"' >> %t_orig/all.h
 // RUN: echo 'int all();' >> %t_orig/all.h
 
+// This test relies on -Wpadded, which is only implemented for Itanium record
+// layout.
+
 // Generate the PCH:
-// RUN: cd %t_orig && %clang_cc1 -x c++ -emit-pch -o all.h.pch -Isub2 all.h
+// RUN: cd %t_orig && %clang_cc1 -triple %itanium_abi_triple -x c++ -emit-pch -o all.h.pch -Isub2 all.h
 // RUN: cp -pR %t_orig %t_moved
 
 // Check diagnostic with location in original source:
-// RUN: %clang_cc1 -include-pch all.h.pch -I%t_moved -I%t_moved/sub2 -Wpadded -emit-llvm-only %s 2> %t.stderr
+// RUN: %clang_cc1 -triple %itanium_abi_triple -include-pch all.h.pch -I%t_moved -I%t_moved/sub2 -Wpadded -emit-llvm-only %s 2> %t.stderr
 // RUN: grep 'struct orig_sub' %t.stderr
 
 // Check diagnostic with 2nd location in original source:
-// RUN: not %clang_cc1 -DREDECL -include-pch all.h.pch -I%t_moved -I%t_moved/sub2 -emit-llvm-only %s 2> %t.stderr
+// RUN: not %clang_cc1 -triple %itanium_abi_triple -DREDECL -include-pch all.h.pch -I%t_moved -I%t_moved/sub2 -emit-llvm-only %s 2> %t.stderr
 // RUN: grep 'void foo' %t.stderr
 
 // Check diagnostic with instantiation location in original source:
-// RUN: not %clang_cc1 -DINSTANTIATION -include-pch all.h.pch -I%t_moved -I%t_moved/sub2 -emit-llvm-only %s 2> %t.stderr
+// RUN: not %clang_cc1 -triple %itanium_abi_triple -DINSTANTIATION -include-pch all.h.pch -I%t_moved -I%t_moved/sub2 -emit-llvm-only %s 2> %t.stderr
 // RUN: grep 'orig_sub2_1' %t.stderr
 
 void qq(orig_sub*) {all();}