diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/Wrestrict-19.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/Wrestrict-19.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/Wrestrict-19.c b/gcc/testsuite/gcc.dg/Wrestrict-19.c new file mode 100644 index 00000000000..ebb4a5efcef --- /dev/null +++ b/gcc/testsuite/gcc.dg/Wrestrict-19.c @@ -0,0 +1,33 @@ +/* PR middle-end/89934 - ICE on a call with fewer arguments to strncpy + declared without prototype + { dg-do compile } + { dg-options "-O2 -Wall" } */ + +typedef __SIZE_TYPE__ size_t; + +char *strncpy (); + +char* f0 (char *s) +{ + return strncpy (); +} + +char* f1 (char *s) +{ + return strncpy (s); +} + +char* f2 (char *s) +{ + return strncpy (s, s + 1); /* ICE here. */ +} + +void f3 (char *s, size_t n, const char *t) +{ + strncpy (s, n, t); + strncpy (n, s, t); +} + +/* { dg-prune-output "\\\[-Wbuiltin-declaration-mismatch]" } + { dg-prune-output "\\\[-Wint-conversion]" } */ + |