[PATCH] UBSan: Fix alignment checks emitted in downcasts.

[Richard Smith]

  Merge the test cases into test/CodeGenCXX/catch-undef-behavior.cpp, then this LGTM. Thanks!


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Comment at: test/CodeGenCXX/sanitizer-alignment-downcast.cpp:1
@@ +1,2 @@
+// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -O2 \
+// RUN:   -fsanitize=alignment -o - %s | FileCheck %s
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Please don't use -O<n> in clang tests; we don't want these tests to depend on the whims of LLVM's optimizer.


http://llvm-reviews.chandlerc.com/D1303