https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105250
Bug ID: 105250
Summary: ICE: in fold_convert_loc, at fold-const.cc:2581 with
conflicting function redeclaration
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
CC: marxin at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Created attachment 52792
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52792&action=edit
reduced testcase
The testcase is broken in a similar way as PR105140
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O2 testcase.c
testcase.c:9:1: warning: return type defaults to 'int' [-Wimplicit-int]
9 | foo(int, int, int, int, U, U, V, V, W, W, int,
| ^~~
testcase.c:9:1: warning: conflicting types for 'foo'
testcase.c:7:6: note: previous declaration of 'foo' with type 'void()'
7 | void foo();
| ^~~
testcase.c: In function 'foo':
testcase.c:9:1: note: the ABI for passing parameters with 32-byte alignment has
changed in GCC 4.6
9 | foo(int, int, int, int, U, U, V, V, W, W, int,
| ^~~
during IPA pass: inline
testcase.c:16:3: internal compiler error: in fold_convert_loc, at
fold-const.cc:2581
16 | foo(0, 0, 0, 0, (U){}, (U){}, (V){}, (V){}, (W){},
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
17 | (W){}, 2, (T){}, 0, 0, 0, 0, (U){}, (U){},
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
18 | (V){}, (V){}, (W){}, (W){}, (T){},
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
19 | (T){}, 0, 0, 0, 0, (U){}, (U){}, (V){},
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
20 | (V){}, (W){}, (W){}, (T){}, (T){}, 0, 0, 0,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
21 | 0, 0, 0, (T){},
| ~~~~~~~~~~~~~~~
22 | (T){}, (W){},
| ~~~~~~~~~~~~~
23 | (W){}, (T){}, (T){}, 0, 0, 0, 0, 0, 0, (W){},
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
24 | (V){}, (W){}, (T){}, 0, 0, (U){}, (F){});
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0x6db3be fold_convert_loc(unsigned int, tree_node*, tree_node*)
/repo/gcc-trunk/gcc/fold-const.cc:2581
0x1415210 setup_one_parameter
/repo/gcc-trunk/gcc/tree-inline.cc:3549
0x142031a initialize_inlined_parameters
/repo/gcc-trunk/gcc/tree-inline.cc:3642
0x142031a expand_call_inline
/repo/gcc-trunk/gcc/tree-inline.cc:5017
0x14229c6 gimple_expand_calls_inline
/repo/gcc-trunk/gcc/tree-inline.cc:5320
0x14229c6 optimize_inline_calls(tree_node*)
/repo/gcc-trunk/gcc/tree-inline.cc:5492
0x110d0cb inline_transform(cgraph_node*)
/repo/gcc-trunk/gcc/ipa-inline-transform.cc:790
0x1289f16 execute_one_ipa_transform_pass
/repo/gcc-trunk/gcc/passes.cc:2330
0x1289f16 execute_all_ipa_transforms(bool)
/repo/gcc-trunk/gcc/passes.cc:2393
0xeb520d cgraph_node::expand()
/repo/gcc-trunk/gcc/cgraphunit.cc:1828
0xeb520d cgraph_node::expand()
/repo/gcc-trunk/gcc/cgraphunit.cc:1788
0xeb6806 expand_all_functions
/repo/gcc-trunk/gcc/cgraphunit.cc:1999
0xeb6806 symbol_table::compile()
/repo/gcc-trunk/gcc/cgraphunit.cc:2349
0xeb93e7 symbol_table::compile()
/repo/gcc-trunk/gcc/cgraphunit.cc:2262
0xeb93e7 symbol_table::finalize_compilation_unit()
/repo/gcc-trunk/gcc/cgraphunit.cc:2530
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