diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/c99-impl-decl-1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/c99-impl-decl-1.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/c99-impl-decl-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/c99-impl-decl-1.c new file mode 100644 index 000000000..6602bc71d --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/c99-impl-decl-1.c @@ -0,0 +1,21 @@ +/* Test for implicit function declaration: in C90 only. */ +/* Origin: Joseph Myers <jsm28@cam.ac.uk> */ +/* { dg-do compile } */ +/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */ + +void +foo (void) +{ + bar (); /* { dg-bogus "warning" "warning in place of error" } */ + /* { dg-error "implicit" "C99 implicit declaration error" { target *-*-* } 9 } */ +} + +/* C90 subclause 7.1.7 says we can implicitly declare strcmp; C99 removes + implict declarations. +*/ +int +bar (const char *a, const char *b) +{ + return strcmp (a, b); /* { dg-bogus "warning" "warning in place of error" } */ + /* { dg-error "implicit" "C99 implicit declaration error" { target *-*-* } 19 } */ +} |