[Bug c/123433] New: GCC trunk ICEs during gimplification when processing varargs code involving non-constant-sized aggregate types.

aamadu.olander at gmail dot com gcc-bugzilla@gcc.gnu.org
Tue Jan 6 18:19:53 GMT 2026


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123433

            Bug ID: 123433
           Summary: GCC trunk ICEs during gimplification when processing
                    varargs code involving non-constant-sized aggregate
                    types.
           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 63240
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63240&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.


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