diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/c90-impl-decl-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/c90-impl-decl-1.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c90-impl-decl-1.c b/gcc/testsuite/gcc.dg/c90-impl-decl-1.c new file mode 100644 index 000000000..4e4431e6b --- /dev/null +++ b/gcc/testsuite/gcc.dg/c90-impl-decl-1.c @@ -0,0 +1,22 @@ +/* Test for implicit function declaration: in C90 only. */ +/* Origin: Joseph Myers <jsm28@cam.ac.uk> */ +/* { dg-do compile } */ +/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */ + +void +foo (void) +{ + bar (); +} + +/* C90 subclause 7.1.7 says we can implicitly declare strcmp; C99 removes + implict declarations. +*/ +int +bar (const char *a, const char *b) +{ + /* This fails for GCC CVS 20000709, but is not marked XFAIL since + GCC 2.95.2 passes. + */ + return strcmp (a, b); /* { dg-bogus "implicit" "implicit declaration warning for strcmp" } */ +} |