https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103987
Bug ID: 103987 Summary: ice in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:840 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- Created attachment 52167 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52167&action=edit fortran source code The attached Fortran code does this: $ ../results/bin/gfortran -c -Ofast -std=legacy -w bug787.f 2>&1 | more during GIMPLE pass: dse bug787.f:401:72: 401 | END | ^ internal compiler error: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c: 840 0xf5d106 ao_ref_init_from_ptr_and_range(ao_ref*, tree_node*, bool, poly_int<1u, long>, poly_int<1u, long>, poly_int<1u, long>) ../../trunk.git/gcc/tree-ssa-alias.c:840 The bug hash existed since sometime before git hash 973f6aedeb6489a9, dated 20211214.