[Bug c/59884] New: Unexpected warning pragma GCC target

[joey.ye at arm dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59884

            Bug ID: 59884
           Summary: Unexpected warning pragma GCC target
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: joey.ye at arm dot com

Affected target: arm. (x86/x86_64 passes)
Affected version: trunk 20140109, 4.8, 4.7

~/cases/pragma $ cat p.c
#pragma GCC push_options
#pragma GCC optimize("O2")
int foo(int a){
return a+1;
}
#pragma GCC pop_options

~/cases/pragma $ arm-none-eabi-gcc p.c -c
p.c:6:9: warning: #pragma GCC target is not supported for this machine
[-Wpragmas]
 #pragma GCC pop_options