https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99194
Bug ID: 99194
Summary: [11 Regression] ICE in force_constant_size, at
gimplify.c:733 since r11-38-g375a77925c320a27
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: jamborm at gcc dot gnu.org, marxin at gcc dot gnu.org,
rguenth at gcc dot gnu.org
Target Milestone: ---
The following fails:
$ gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr99122-3.c -Os -c
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr99122-3.c:13:20: warning:
‘struct T’ declared inside parameter list will not be visible outside of this
definition or declaration
13 | foo (int n, struct T { char a[n]; } b)
| ^
In function ‘foo.constprop’:
cc1: internal compiler error: in force_constant_size, at gimplify.c:733
0x6ac5ac force_constant_size
/home/marxin/Programming/gcc/gcc/gimplify.c:733
0xbac087 gimple_add_tmp_var(tree_node*)
/home/marxin/Programming/gcc/gcc/gimplify.c:771
0xb74c8e create_tmp_var(tree_node*, char const*)
/home/marxin/Programming/gcc/gcc/gimple-expr.c:485
0xbc0fdb create_tmp_from_val
/home/marxin/Programming/gcc/gcc/gimplify.c:564
0xbc0fdb lookup_tmp_var
/home/marxin/Programming/gcc/gcc/gimplify.c:596
0xbc0fdb internal_get_tmp_var
/home/marxin/Programming/gcc/gcc/gimplify.c:635
0xbb973e gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/home/marxin/Programming/gcc/gcc/gimplify.c:15070
0xbd6a61 gimple_regimplify_operands(gimple*, gimple_stmt_iterator*)
/home/marxin/Programming/gcc/gcc/gimplify-me.c:235
0xef52ba insert_init_stmt
/home/marxin/Programming/gcc/gcc/tree-inline.c:3400
0xf078d6 tree_function_versioning(tree_node*, tree_node*, vec<ipa_replace_map*,
va_gc, vl_embed>*, ipa_param_adjustments*, bool, bitmap_head*,
basic_block_def*)
/home/marxin/Programming/gcc/gcc/tree-inline.c:6430
0xa0d0b0 cgraph_node::materialize_clone()
/home/marxin/Programming/gcc/gcc/cgraphclones.c:1131
0x9fa9fd cgraph_node::get_untransformed_body()
/home/marxin/Programming/gcc/gcc/cgraph.c:3903
0xa06dd1 cgraph_node::expand()
/home/marxin/Programming/gcc/gcc/cgraphunit.c:1798
0xa0852e expand_all_functions
/home/marxin/Programming/gcc/gcc/cgraphunit.c:1995
0xa0852e symbol_table::compile()
/home/marxin/Programming/gcc/gcc/cgraphunit.c:2359
0xa0852e symbol_table::compile()
/home/marxin/Programming/gcc/gcc/cgraphunit.c:2270
0xa0b167 symbol_table::finalize_compilation_unit()
/home/marxin/Programming/gcc/gcc/cgraphunit.c:2540
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.
