https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95311
Bug ID: 95311
Summary: [11 Regression] ICE in
cp_ubsan_maybe_instrument_member_call at
gcc/cp/cp-ubsan.c:136 since r11-578-g72af65b91cc2a2eb
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: jason at gcc dot gnu.org
Target Milestone: ---
I see the following ICE:
$ g++ /home/marxin/Programming/gcc/gcc/testsuite/g++.dg/ipa/pr63470.C
-fsanitize=undefined -c
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/ipa/pr63470.C: In member
function ‘virtual bool FTjackSupport::m_fn1()’:
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/ipa/pr63470.C:45:1: internal
compiler error: tree check: expected class ‘expression’, have ‘declaration’
(parm_decl) in tree_operand_check, at tree.h:3794
45 | }
| ^
0x848120 tree_class_check_failed(tree_node const*, tree_code_class, char
const*, int, char const*)
/home/marxin/Programming/gcc/gcc/tree.c:9736
0x6408d7 expr_check(tree_node*, char const*, int, char const*)
/home/marxin/Programming/gcc/gcc/tree.h:3465
0x6408d7 tree_operand_check(tree_node*, int, char const*, int, char const*)
/home/marxin/Programming/gcc/gcc/tree.h:3794
0x6408d7 cp_ubsan_maybe_instrument_member_call(tree_node*)
/home/marxin/Programming/gcc/gcc/cp/cp-ubsan.c:136
0x9a4633 cp_genericize_r
/home/marxin/Programming/gcc/gcc/cp/cp-gimplify.c:1713
0x138d083 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
/home/marxin/Programming/gcc/gcc/tree.c:11956
0x138d948 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
/home/marxin/Programming/gcc/gcc/tree.c:12286
0x138d948 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
/home/marxin/Programming/gcc/gcc/tree.c:12286
0x9a559a cp_genericize_r
/home/marxin/Programming/gcc/gcc/cp/cp-gimplify.c:1785
0x138d083 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
/home/marxin/Programming/gcc/gcc/tree.c:11956
0x9a5da2 cp_genericize_r
/home/marxin/Programming/gcc/gcc/cp/cp-gimplify.c:1455
0x138d083 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
/home/marxin/Programming/gcc/gcc/tree.c:11956
0x9a3498 cp_genericize_tree
/home/marxin/Programming/gcc/gcc/cp/cp-gimplify.c:1820
0x9a3724 cp_genericize(tree_node*)
/home/marxin/Programming/gcc/gcc/cp/cp-gimplify.c:1969
0x9e5111 finish_function(bool)
/home/marxin/Programming/gcc/gcc/cp/decl.c:17192
0xa9122a cp_parser_function_definition_after_declarator
/home/marxin/Programming/gcc/gcc/cp/parser.c:29015
0xa92001 cp_parser_function_definition_from_specifiers_and_declarator
/home/marxin/Programming/gcc/gcc/cp/parser.c:28928
0xa92001 cp_parser_init_declarator
/home/marxin/Programming/gcc/gcc/cp/parser.c:20685
0xa71253 cp_parser_simple_declaration
/home/marxin/Programming/gcc/gcc/cp/parser.c:13749
0xa99f47 cp_parser_declaration
/home/marxin/Programming/gcc/gcc/cp/parser.c:13448
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