https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93576
Martin Sebor <msebor at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |ice-on-invalid-code Status|UNCONFIRMED |NEW Last reconfirmed| |2020-02-04 CC| |msebor at gcc dot gnu.org Component|c |middle-end Summary|internal compiler error: |[10 Regression] internal |Segmentation fault (in |compiler error: |gimplify.c) |Segmentation fault (in | |gimplify.c) Ever confirmed|0 |1 --- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> --- Confirmed. Please include the compiler options and its output in bug reports (see What We Need in https://gcc.gnu.org/bugs). $ gcc -S -Wall pr92576.c pr92576.c: In function ‘main’: pr92576.c:1:34: error: ‘e’ undeclared (first use in this function) 1 | int main ( ) { int x [ ] = { 1 , e } ; | ^ pr92576.c:1:34: note: each undeclared identifier is reported only once for each function it appears in pr92576.c:2:24: error: ‘p’ undeclared (first use in this function) 2 | return x [ ( ( char ) p % ( sizeof ( 0 ) < main ) >= ( ( ( char * ( * ( * ( | ^ pr92576.c:2:15: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 2 | return x [ ( ( char ) p % ( sizeof ( 0 ) < main ) >= ( ( ( char * ( * ( * ( | ^ pr92576.c:2:43: warning: comparison between pointer and integer 2 | return x [ ( ( char ) p % ( sizeof ( 0 ) < main ) >= ( ( ( char * ( * ( * ( | ^ pr92576.c:3:14: warning: ‘struct list’ declared inside parameter list will not be visible outside of this definition or declaration 3 | int ( struct list ) ) ) [ ! ( 1 , 2 * ( 3 , ! x != ( 1 , sizeof ( char * ) < ( | ^~~~ pr92576.c:3:45: warning: the address of ‘x’ will always evaluate as ‘true’ [-Waddress] 3 | int ( struct list ) ) ) [ ! ( 1 , 2 * ( 3 , ! x != ( 1 , sizeof ( char * ) < ( | ^ pr92576.c:4:5: warning: left-hand operand of comma expression has no effect [-Wunused-value] 4 | ( 1 , 2 ) / 2 != 7 , 2 ) ) ) ) ] ) [ * * main ] ) p + 4 ) >= & x [ 12 ] ) ) ] ; | ^ pr92576.c:4:20: warning: left-hand operand of comma expression has no effect [-Wunused-value] 4 | ( 1 , 2 ) / 2 != 7 , 2 ) ) ) ) ] ) [ * * main ] ) p + 4 ) >= & x [ 12 ] ) ) ] ; | ^ pr92576.c:3:56: warning: left-hand operand of comma expression has no effect [-Wunused-value] 3 | int ( struct list ) ) ) [ ! ( 1 , 2 * ( 3 , ! x != ( 1 , sizeof ( char * ) < ( | ^ pr92576.c:3:49: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses] 3 | int ( struct list ) ) ) [ ! ( 1 , 2 * ( 3 , ! x != ( 1 , sizeof ( char * ) < ( | ^~ pr92576.c:3:45: note: add parentheses around left hand side expression to silence this warning 3 | int ( struct list ) ) ) [ ! ( 1 , 2 * ( 3 , ! x != ( 1 , sizeof ( char * ) < ( | ^~~ | ( ) pr92576.c:3:43: warning: left-hand operand of comma expression has no effect [-Wunused-value] 3 | int ( struct list ) ) ) [ ! ( 1 , 2 * ( 3 , ! x != ( 1 , sizeof ( char * ) < ( | ^ pr92576.c:3:33: warning: left-hand operand of comma expression has no effect [-Wunused-value] 3 | int ( struct list ) ) ) [ ! ( 1 , 2 * ( 3 , ! x != ( 1 , sizeof ( char * ) < ( | ^ pr92576.c:3:14: error: size of unnamed array has non-integer type 3 | int ( struct list ) ) ) [ ! ( 1 , 2 * ( 3 , ! x != ( 1 , sizeof ( char * ) < ( | ^~~~ pr92576.c:2:59: error: cast specifies function type 2 | return x [ ( ( char ) p % ( sizeof ( 0 ) < main ) >= ( ( ( char * ( * ( * ( | ^ pr92576.c:3:14: internal compiler error: Segmentation fault 3 | int ( struct list ) ) ) [ ! ( 1 , 2 * ( 3 , ! x != ( 1 , sizeof ( char * ) < ( | ^~~~ 0x12d1642 crash_signal /src/gcc/trunk/gcc/toplev.c:328 0xe0bdd7 gimplify_compound_expr /src/gcc/trunk/gcc/gimplify.c:6021 0xe0bdf7 gimplify_compound_expr /src/gcc/trunk/gcc/gimplify.c:6022 0xe3402e gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /src/gcc/trunk/gcc/gimplify.c:13571 0xe380cb gimplify_expr /src/gcc/trunk/gcc/gimplify.c:14628 0xe38d17 gimplify_one_sizepos(tree_node**, gimple**) /src/gcc/trunk/gcc/gimplify.c:14775 0xe3838e gimplify_type_sizes(tree_node*, gimple**) /src/gcc/trunk/gcc/gimplify.c:14676 0xe38574 gimplify_type_sizes(tree_node*, gimple**) /src/gcc/trunk/gcc/gimplify.c:14688 0xdfcbc7 gimplify_decl_expr /src/gcc/trunk/gcc/gimplify.c:1755 0xe34e71 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /src/gcc/trunk/gcc/gimplify.c:13778 0xe0eede gimplify_stmt(tree_node**, gimple**) /src/gcc/trunk/gcc/gimplify.c:6822 0xdfb8d2 gimplify_bind_expr /src/gcc/trunk/gcc/gimplify.c:1424 0xe34e92 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /src/gcc/trunk/gcc/gimplify.c:13782 0xe0eede gimplify_stmt(tree_node**, gimple**) /src/gcc/trunk/gcc/gimplify.c:6822 0xe0be74 gimplify_compound_expr /src/gcc/trunk/gcc/gimplify.c:6035 0xe0bdf7 gimplify_compound_expr /src/gcc/trunk/gcc/gimplify.c:6022 0xe3402e gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /src/gcc/trunk/gcc/gimplify.c:13571 0xe011fe gimplify_compound_lval /src/gcc/trunk/gcc/gimplify.c:3079 0xe33ee3 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /src/gcc/trunk/gcc/gimplify.c:13533 0xe0a731 gimplify_modify_expr /src/gcc/trunk/gcc/gimplify.c:5765 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.