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Diffstat (limited to 'gcc/testsuite/gcc.dg/Wnested-externs-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/Wnested-externs-1.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/Wnested-externs-1.c b/gcc/testsuite/gcc.dg/Wnested-externs-1.c new file mode 100644 index 000000000..5c4b5ddd8 --- /dev/null +++ b/gcc/testsuite/gcc.dg/Wnested-externs-1.c @@ -0,0 +1,22 @@ +/* Test -Wnested-externs. */ +/* Origin: Joseph Myers <joseph@codesourcery.com> */ +/* { dg-do compile } */ +/* { dg-options "-Wnested-externs" } */ + +int a; +static int b; +extern int c; +void f0(void); +static void f1(void); + +void +g(void) +{ + extern int a; /* { dg-warning "nested extern declaration of 'a'" } */ + extern int b; /* { dg-warning "nested extern declaration of 'b'" } */ + extern int c; /* { dg-warning "nested extern declaration of 'c'" } */ + extern int d; /* { dg-warning "nested extern declaration of 'd'" } */ + extern void f0(void); /* { dg-warning "nested extern declaration of 'f0'" } */ + extern void f1(void); /* { dg-warning "nested extern declaration of 'f1'" } */ + extern void f2(void); /* { dg-warning "nested extern declaration of 'f2'" } */ +} |