aboutsummaryrefslogtreecommitdiff
path: root/gcc/cp/error.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/cp/error.c')
-rw-r--r--gcc/cp/error.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/cp/error.c b/gcc/cp/error.c
index ad22b00..396558b 100644
--- a/gcc/cp/error.c
+++ b/gcc/cp/error.c
@@ -951,8 +951,11 @@ dump_type_suffix (cxx_pretty_printer *pp, tree t, int flags)
if (tree dtype = TYPE_DOMAIN (t))
{
tree max = TYPE_MAX_VALUE (dtype);
- /* Zero-length arrays have an upper bound of SIZE_MAX. */
- if (integer_all_onesp (max))
+ /* Zero-length arrays have a null upper bound in C and SIZE_MAX
+ in C++. Handle both since the type might be constructed by
+ the middle end and end up here as a result of a warning (see
+ PR c++/97201). */
+ if (!max || integer_all_onesp (max))
pp_character (pp, '0');
else if (tree_fits_shwi_p (max))
pp_wide_integer (pp, tree_to_shwi (max) + 1);