[clang] [clang][test] Fix builtin-rotate.c test __int128 test failure on ARM32 (PR #177732)

[Simon Pilgrim via cfe-commits]

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@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -ffreestanding %s -emit-llvm -o - | FileCheck %s
+// RUN: %if clang-target-64-bits %{ %clang_cc1 -ffreestanding %s -emit-llvm -o - | FileCheck %s --check-prefix=INT128 %}
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RKSimon wrote:

I'm not familiar with clang-target-64-bits - have you confirmed this runs OK? Local test changing the check below to see if it fails?

https://github.com/llvm/llvm-project/pull/177732