================
@@ -0,0 +1,14 @@
+// RUN: %clang -S -### -fopenacc %s 2>&1 | FileCheck %s
--check-prefix=CHECK-DRIVER
+// CHECK-DRIVER: "-cc1" {{.*}} "-fopenacc"
+
+// RUN: %clang -S -### -fopenacc -fexperimental-openacc-macro-override=202211
%s 2>&1 | FileCheck %s --check-prefix=CHECK-MACRO-OVERRIDE
+// RUN: %clang -S -### -fopenacc -fexperimental-openacc-macro-override 202211
%s 2>&1 | FileCheck %s --check-prefix=CHECK-MACRO-OVERRIDE
----------------
erichkeane wrote:
We cannot, because this is a 'builtin' macro, overriding it on the command line
is essentially UB. Additionally, this clarifies that it is an experimental
patch, which is less likely to be a concern when we remove it in the future.
That is, the intent is to prevent folks from coming to depend on this in the
future.
https://github.com/llvm/llvm-project/pull/70234
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