https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94339
Bug ID: 94339 Summary: [10 regression] ICE in tree_class_check_failed Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: clyon at gcc dot gnu.org Target Milestone: --- Hi, I've noticed this ICE while building GDB with recent GCC trunk, it appeared between: r10-7336 and r10-7346 x86_64-unknown-linux-gnu-g++ -g -O2 -c ada-lang.ii /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/binutils-gdb.git~gdb-8.3.1-release/gdb/ada-lang.c: In function ‘char* ada_main_name()’: /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/binutils-gdb.git~gdb-8.3.1-release/gdb/ada-lang.c:934:386: internal compiler error: tree check: expected class ‘constant’, have ‘unary’ (nop_expr) in warnings_for_convert_and_check, at c-family/c-warn.c:1378 934 | main_program_name_addr = BMSYMBOL_VALUE_ADDRESS (msym); | ^ 0x604b15 tree_class_check_failed(tree_node const*, tree_code_class, char const*, int, char const*) /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/tree.c:9763 0x9f8c69 tree_class_check(tree_node*, tree_code_class, char const*, int, char const*) /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/tree.h:3401 0x9f8c69 warnings_for_convert_and_check(unsigned int, tree_node*, tree_node*, tree_node*) /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/c-family/c-warn.c:1378 0x74330a cp_convert_and_check(tree_node*, tree_node*, int) /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/cvt.c:676 0x6b9c2e convert_like_real /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/call.c:7844 0x6bb3bb perform_implicit_conversion_flags(tree_node*, tree_node*, int, int) /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/call.c:11867 0x6c8794 perform_implicit_conversion(tree_node*, tree_node*, int) /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/call.c:11879 0x6c8794 build_conditional_expr_1 /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/call.c:5642 0x6c90be build_conditional_expr(op_location_t const&, tree_node*, tree_node*, tree_node*, int) /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/call.c:5705 0x9406f2 build_x_conditional_expr(unsigned int, tree_node*, tree_node*, tree_node*, int) /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/typeck.c:6972 0x82a52a cp_parser_assignment_expression /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/parser.c:9828 0x82a7fc cp_parser_expression /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/parser.c:9992 0x8356ef cp_parser_primary_expression /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/parser.c:5359 0x84ec7d cp_parser_postfix_expression /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/parser.c:7219 0x831900 cp_parser_unary_expression /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/parser.c:8525 0x829312 cp_parser_cast_expression /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/parser.c:9416 0x829ddf cp_parser_simple_cast_expression /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/parser.c:29431 0x829ddf cp_parser_binary_expression /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/parser.c:9584 0x82a460 cp_parser_assignment_expression /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/parser.c:9822 0x82a7fc cp_parser_expression /home/christophe.lyon/src/Linaro/abe/abe-master/mybuild/snapshots/gcc.git~master_rev_75fb811dfaa29d60a897924b0d1629577b90eee7/gcc/cp/parser.c:9992