[LLVMbugs] [Bug 18126] [ms-abi] Clang doesn't treat declspec on record declarations correctly

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Jan 27 19:34:29 PST 2014


Richard Smith <richard-llvm at metafoo.co.uk> changed:

           What    |Removed                     |Added
             Status|RESOLVED                    |REOPENED
         Resolution|WORKSFORME                  |---

--- Comment #2 from Richard Smith <richard-llvm at metafoo.co.uk> ---
(In reply to comment #1)
> From what I can tell, cl does not ignore __declspec(align) on record
> declarations from my tests. Eg)
> struct __declspec(align(16)) S {
>   int a;
> };

That's a definition, not just a declaration, though. Try this:

struct __declspec(align(16)) S;
struct S {};
static_assert(__alignof(S) == 1, "");

... the assert passes in VS, fails in clang-cl.

I believe this was a tracking bug so Warren didn't forget to fix these things;
reopening it on that basis.

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