[Bug fortran/107596] ICE in gfc_match_submodule, at fortran/module.cc:773

[kargl at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107596

kargl at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kargl at gcc dot gnu.org
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2022-11-09
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from kargl at gcc dot gnu.org ---
Instead of an assert, just jump to a syntax error.

diff --git a/gcc/fortran/module.cc b/gcc/fortran/module.cc
index 5ddabdcff4d..b41e425ac8f 100644
--- a/gcc/fortran/module.cc
+++ b/gcc/fortran/module.cc
@@ -770,7 +770,8 @@ gfc_match_submodule (void)
     }

   gfc_new_block = NULL;
-  gcc_assert (module_list == NULL);
+  if (module_list == NULL)
+    goto syntax;

   if (gfc_match_char ('(') != MATCH_YES)
     goto syntax;