[Bug middle-end/78429] [5/6/7 Regression] ice on valid C code on x86_64-linux-gnu at -O3 in both 32-bit and 64-bit modes (internal compiler error: in set_value_range, at tree-vrp.c:361)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78429

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
It's built by build_nonstandard_boolean_type via

(gdb) bt
#0  0x0000000001204281 in build_nonstandard_boolean_type (precision=32)
    at /space/rguenther/src/gcc-git/gcc/tree.c:8219
#1  0x000000000120e478 in build_truth_vector_type (nunits=4, vector_size=16)
    at /space/rguenther/src/gcc-git/gcc/tree.c:10919
#2  0x000000000118881a in get_mask_type_for_scalar_type (
    scalar_type=<integer_type 0x2aaaac02a690 int>)
    at /space/rguenther/src/gcc-git/gcc/tree-vect-stmts.c:8958
#3  0x00000000019519b2 in search_type_for_mask_1 (
    var=<ssa_name 0x2aaaac173438>, vinfo=0x28ab530, cache=...)
    at /space/rguenther/src/gcc-git/gcc/tree-vect-patterns.c:3538
#4  0x0000000001951be3 in search_type_for_mask (var=<ssa_name 0x2aaaac173438>, 
    vinfo=0x28ab530)