[Bug c++/122836] [13/14/15/16 Regression] ICE: in reshape_init_r, at cp/decl.cc

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122836

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
typedef int W __attribute__ ((__vector_size__ (8), __may_alias__));
struct V { __attribute__ ((__vector_size__ (8))) float v[2]; };

void
foo ()
{
  W m = *(W *) &(V) { { .v = { 0, 0 } } };
}

Started with r12-7741-g24d51e749570dcb85bd43d3b528f58ad6141de26
Before that it has been rejected with
pr122836.C: In function ‘void foo()’:
pr122836.C:7:41: error: name ‘v’ used in a GNU-style designated initializer for
an array
    7 |   W m = *(W *) &(V) { { .v = { 0, 0 } } };
      |                                         ^
pr122836.C:7:21: error: taking address of rvalue [-fpermissive]
    7 |   W m = *(W *) &(V) { { .v = { 0, 0 } } };
      |                     ^~~~~~~~~~~~~~~~~~~~~