[Bug c/68637] New: Wrong -Wattributes on array of function pointers

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68637

            Bug ID: 68637
           Summary: Wrong -Wattributes on array of function pointers
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com
  Target Milestone: ---

hjl@gnu-6 gcc]$ cat y.c
typedef void (*func) (int, int) __attribute__ ((regparm (2)));
extern func foo[10];
extern void (*bar[10]) (int, int) __attribute__ ((regparm (2)));

void
xxx (int i)
{
  foo[i] (1, 2);
  bar[i] (1, 2);
}
[hjl@gnu-6 gcc]$ gcc -S -m32 -O2 y.c
y.c:3:1: warning: ‘regparm’ attribute only applies to function types
[-Wattributes]
 extern void (*bar[10]) (int, int) __attribute__ ((regparm (2)));
 ^
[hjl@gnu-6 gcc]$ /export/build/gnu/llvm-clang/build-x86_64-linux/bin/clang -S
-m32 -O2 y.c
[hjl@gnu-6 gcc]$