https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110506
Bug ID: 110506 Summary: ice: tree check: expected none of vector_type, have vector_type in get_value_for_expr, at tree-ssa-ccp.cc:686 Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- For this C code: struct { long *sp; long *csp } neko_interp_loop_vm; int neko_interp_loop_vm_2; void neko_interp_loop() { long pc[] = {&&LabelAccGlobal, &&LabelPhysCompare, &&LabelTailCall, &&LabelLoop, &&LabelMakeArray2}; long *sp, *csp = neko_interp_loop_vm.csp; LabelAccGlobal: neko_interp_loop_vm.sp = sp; neko_interp_loop_vm.csp = csp; goto * 0; LabelTailCall: csp = sp -= neko_interp_loop_vm_2; LabelMakeArray2: LabelPhysCompare: LabelLoop: goto * 0; } compiled by g:9757e4440bd8755d, does this: $ ~/gcc/results.20230628.asan.ubsan/bin/gcc -c -w -O2 bug936.c during GIMPLE pass: ccp /home/dcb38/rpmbuild/BUILD/neko-2-3-0/vm/interp.c: In function ‘neko_interp_loop’: /home/dcb38/rpmbuild/BUILD/neko-2-3-0/vm/interp.c:613:9: internal compiler error: tree check: expected none of vector_type, have vector_type in get_value_for_expr, at tree-ssa-ccp.cc:686 613 | int_val neko_interp_loop( neko_vm *VM_ARG, neko_module *m, int_val _acc, int_val *_pc ) { | ^~~~~~~~~~~~~~~~ 0x11656f9 tree_not_check_failed(tree_node const*, char const*, int, char const*, ...) ../../trunk.year/gcc/tree.cc:8936 0xf75774 tree_not_check(tree_node*, char const*, int, char const*, tree_code) ../../trunk.year/gcc/tree.h:3581 0xf75774 get_value_for_expr(tree_node*, bool) ../../trunk.year/gcc/tree-ssa-ccp.cc:686 It was fine with a version from a couple of days earlier: foundBugs $ ~/gcc/results.20230626.asan.ubsan/bin/gcc -c -w -O2 bug936.c foundBugs $ ~/gcc/results.20230626.asan.ubsan/bin/gcc -v Using built-in specs. COLLECT_GCC=/home/dcb38/gcc/results.20230626.asan.ubsan/bin/gcc COLLECT_LTO_WRAPPER=/home/dcb38/gcc/results.20230626.asan.ubsan/libexec/gcc/x86_64-pc-linux-gnu/14.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../trunk.year/configure --prefix=/home/dcb38/gcc/results.20230626.asan.ubsan --disable-multilib --disable-bootstrap --with-build-config=bootstrap-asan --with-build-config=bootstrap-ubsan --with-pkgversion=3a39a31b8ae9c646 --enable-checking=df,extra,fold,rtl,yes --enable-languages=c,c++,fortran Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.0 20230626 (experimental) (3a39a31b8ae9c646)