https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106048
Bug ID: 106048 Summary: [10/11/12/13 Regression] ICE in ubsan_encode_value, at ubsan.cc:143 / verify_gimple failed Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- Started with r7, with and without -fsanitize=undefined : $ cat z1.f90 program p integer :: real print *, real(2) associate (y => real+real) print *, y end associate end $ cat z2.f90 program p integer :: n print *, n(2) associate (y => n+n) print *, y end associate end $ gfortran-13-20220619 -c z1.f90 /tmp/cc97osCU.s: Assembler messages: /tmp/cc97osCU.s:35: Error: junk `(intrinsic)_MOD_real' after expression $ gfortran-13-20220619 -c z1.f90 -fsanitize=undefined during RTL pass: expand z1.f90:5:16: 5 | print *, y | ^ internal compiler error: in ubsan_encode_value, at ubsan.cc:143 0xcf9ca2 ubsan_encode_value(tree_node*, ubsan_encode_value_phase) ../../gcc/ubsan.cc:143 0xcfe316 ubsan_build_overflow_builtin(tree_code, unsigned int, tree_node*, tree_node*, tree_node*, tree_node**) ../../gcc/ubsan.cc:1562 0xa72326 expand_mul_overflow ../../gcc/internal-fn.cc:2270 0xa749c6 expand_UBSAN_CHECK_MUL ../../gcc/internal-fn.cc:2516 0x8820e7 expand_call_stmt ../../gcc/cfgexpand.cc:2737 0x8820e7 expand_gimple_stmt_1 ../../gcc/cfgexpand.cc:3869 0x8820e7 expand_gimple_stmt ../../gcc/cfgexpand.cc:4033 0x887297 expand_gimple_basic_block ../../gcc/cfgexpand.cc:6085 0x889d5e execute ../../gcc/cfgexpand.cc:6811 --- gcc configured with --enable-checking=yes : $ gfortran-13-20220619 -c z1.f90 z1.f90:1:9: 1 | program p | ^ Error: type mismatch in binary expression integer(kind=4) integer(kind=4) (*<T62d>) () integer(kind=4) _1 = real * 2; z1.f90:1:9: internal compiler error: 'verify_gimple' failed 0xed9e9d verify_gimple_in_seq(gimple*) ../../gcc/tree-cfg.cc:5217 0xb557b1 gimplify_body(tree_node*, bool) ../../gcc/gimplify.cc:16543 0xb55a55 gimplify_function_tree(tree_node*) ../../gcc/gimplify.cc:16659 0x964c47 cgraph_node::analyze() ../../gcc/cgraphunit.cc:676 0x967ef6 analyze_functions ../../gcc/cgraphunit.cc:1241 0x9690cd symbol_table::finalize_compilation_unit() ../../gcc/cgraphunit.cc:2501