[Bug c/126284] New: C23 ICE on pointer to a VLA of a tagged type

[kees at outflux dot net via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126284

            Bug ID: 126284
           Summary: C23 ICE on pointer to a VLA of a tagged type
           Product: gcc
           Version: 17.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: kees at outflux dot net
  Target Milestone: ---

Here's the PoC:

  struct S { int x; };
  void f (int n) { struct { struct S (*p)[n]; } s; }


gcc -std=c23 -c poc.c
poc.c:2:34: internal compiler error: in c_reconstruct_complex_type, at
c/c-typeck.cc:594

https://godbolt.org/z/fsWTd4MG7

Okay in GCC 16.1.