https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121102
Bug ID: 121102
Summary: ICE at O2: in make_ssa_name_fn, at
tree-ssanames.cc:355
Product: gcc
Version: 15.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: bic60176 at gmail dot com
Target Milestone: ---
Created attachment 61873
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61873&action=edit
testcase
Compiler explorer: https://godbolt.org/z/fqb8bsT6x
console:
<source>: In function 'bar':
<source>:8:7: warning: old-style function definition [-Wold-style-definition]
8 | int bar(c) int c[1][va_arg(a, int)];
| ^~~
during GIMPLE pass: einline
<source>: In function 'foo':
<source>:10:11: internal compiler error: in make_ssa_name_fn, at
tree-ssanames.cc:355
10 | int r = bar(b);
| ^~~~~~
0x253d385 diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, diagnostic_option_id, char const*, __va_list_tag
(*) [1], diagnostic_t)
???:0
0x255f066 internal_error(char const*, ...)
???:0
0xa011e4 fancy_abort(char const*, int, char const*)
???:0
0x122b074 copy_tree_body_r(tree_node**, int*, void*)
???:0
0x152b46c 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*> >*))
???:0
0x152b668 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*> >*))
???:0
0x1228172 remap_type(tree_node*, copy_body_data*)
???:0
0x1228172 remap_type(tree_node*, copy_body_data*)
???:0
0x1237091 optimize_inline_calls(tree_node*)
???:0
0x23b1f91 early_inliner(function*)
???:0
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Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Compiler returned: 1