diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/builtins.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr99224.c | 6 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 0aed008..42150ce 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -12597,7 +12597,8 @@ fold_builtin_next_arg (tree exp, bool va_start_p) arg = CALL_EXPR_ARG (exp, 0); } - if (TREE_CODE (arg) == SSA_NAME) + if (TREE_CODE (arg) == SSA_NAME + && SSA_NAME_VAR (arg)) arg = SSA_NAME_VAR (arg); /* We destructively modify the call to be __builtin_va_start (ap, 0) diff --git a/gcc/testsuite/gcc.dg/pr99224.c b/gcc/testsuite/gcc.dg/pr99224.c new file mode 100644 index 0000000..f6e9ac8 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr99224.c @@ -0,0 +1,6 @@ +/* { dg-do compile } */ + +void f (char *c, ...) +{ + __builtin_next_arg (*c); /* { dg-warning "not last named argument" } */ +} |