https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94700
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Richard Sandiford <rsand...@gcc.gnu.org>: https://gcc.gnu.org/g:413232a55b960c9b207abf14eea4a8dd247c3e90 commit r10-7870-g413232a55b960c9b207abf14eea4a8dd247c3e90 Author: Richard Sandiford <richard.sandif...@arm.com> Date: Wed Apr 22 11:05:59 2020 +0100 forwprop: Fix ICE when building an identity constructor [PR94700] This is really PR94683 part 2, handling the case in which the vector is an identity and so doesn't need a VEC_PERM_EXPR. I should have realised at the time that the other arm of the "if" would need the same fix. 2020-04-22 Richard Sandiford <richard.sandif...@arm.com> gcc/ PR tree-optimization/94700 * tree-ssa-forwprop.c (simplify_vector_constructor): When processing an identity constructor, use a VIEW_CONVERT_EXPR to handle mixtures of similarly-structured but distinct vector types. gcc/testsuite/ PR tree-optimization/94700 * gcc.target/aarch64/sve/acle/general/pr94700.c: New test.
