[Bug c/123431] New: GCC trunk ICEs in the walloca GIMPLE pass (gimple_call_arg) when analyzing an always-inline varargs wrapper using __builtin_va_arg_pack() and called as error(1).

[aamadu.olander at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123431

            Bug ID: 123431
           Summary: GCC trunk ICEs in the walloca GIMPLE pass
                    (gimple_call_arg) when analyzing an always-inline
                    varargs wrapper using __builtin_va_arg_pack() and
                    called as error(1).
           Product: gcc
           Version: 16.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: aamadu.olander at gmail dot com
  Target Milestone: ---

Created attachment 63238
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63238&action=edit
The file contains the output of -freport-bug switch

I have generated a testcase using a fuzzer and here's the output when I run the
latest version of gcc to compile the c code.