diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/redecl-12.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/redecl-12.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/redecl-12.c b/gcc/testsuite/gcc.dg/redecl-12.c new file mode 100644 index 000000000..711b8a3fc --- /dev/null +++ b/gcc/testsuite/gcc.dg/redecl-12.c @@ -0,0 +1,9 @@ +/* Some incompatible external linkage declarations were not diagnosed. + Bug 21342. */ +/* Origin: Joseph Myers <joseph@codesourcery.com> */ +/* { dg-do compile } */ +/* { dg-options "" } */ + +extern int a[]; +void f(void) { extern int a[]; extern int a[10]; } /* { dg-message "note: previous declaration of 'a' was here" } */ +extern int a[5]; /* { dg-error "conflicting types for 'a'" } */ |