https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128188
--- Comment #3 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Richard Biener <[email protected]>: https://gcc.gnu.org/g:4bf7a4de5037671d7021c4b1d60dcd47fa5760e6 commit r17-5967-g4bf7a4de5037671d7021c4b1d60dcd47fa5760e6 Author: Richard Biener <[email protected]> Date: Wed Oct 28 14:16:12 2026 +0100 tree-optimization/128188 - hang with OMP simd vectorization The following makes sure that vect_simd_lane_linear does not loop indefinitely. PR tree-optimization/128188 * tree-vect-stmts.cc (vect_simd_lane_linear): Return when the definition v is not handled, avoiding an endless loop. * gcc.dg/vect/vect-simd-pr128188.c: New testcase.
