[Bug target/33963] New: Dllimport attribute wrongly accepted on typedefs

["dannysmith at users dot sourceforge dot net" <gcc-bugzilla at gcc dot gnu dot org>]

Testcase gcc.dg/attr-invalid.c started failing on mingw32 with

http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=125975

In particular, this delta
        * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
        imported or exported declaration, including type declarations.

made these TYPE_DECL's valid:

# 88 "attr-invalid.c"
typedef int dllimport_type __attribute__((dllimport));

typedef int (*dllimport_fntype)(void) __attribute__((dllimport));

Prior to that revision the attribute was valid only on FUNCTION_DECLS's
and VAR_DECL's 

However, although there is no warning, the attribute is ignored 

typedef int dllimport_type __attribute__((dllimport));
extern dllimport_type foo;
int bar () { return foo; }

gives

_bar:
        pushl   %ebp
        movl    %esp, %ebp
        movl    _foo, %eax
        popl    %ebp
        ret


-- 
           Summary: Dllimport attribute wrongly accepted on typedefs
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: dannysmith at users dot sourceforge dot net
GCC target triplet: i686-pc-mingw32


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33963