http://llvm.org/bugs/show_bug.cgi?id=18126
Bug ID: 18126
Summary: [ms-abi] Clang doesn't treat declspec on record
declarations correctly
Product: clang
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Frontend
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
cl appears to ignore __declspec(align) on record declarations and clang-cl does
not.
cl allows conflicting __declspec(dllimport/export) attributes on the
declaration and definition with the definition attribute taking precedence.
clang warns on __declspec(dllexport) either place:
warning: 'dllexport' attribute only applies to variables and functions
[-Wignored-attributes]
In my test:
struct S;
struct __declspec(dllimport) S {
static void f() {}
} a;
int main() {
S a;
a.f();
printf("align : %d %d\n", __alignof(S), __alignof(a));
}
dllimport seems to have no impact whatsoever in clang. In cl, dllimport
suppresses export of f.
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