https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102230
Bug ID: 102230 Summary: ICE in classify_argument, at config/i386/i386.c:2474 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- Target: x86_64-unknown-linux-gnu gcc-12.0.0-alpha20210905 snapshot (g:a827909537cf085e5673ca7816b7bd7151d89fc5) ICEs when compiling the following testcase, reduced from gcc/testsuite/gcc.target/arm/armv8_2-fp16-arith-2.c: typedef _Float16 float16x4_t __attribute__ ((vector_size (8))); float16x4_t test_float16x4_t (float16x4_t a) { return a; } % x86_64-unknown-linux-gnu-gcc-12.0.0 -c nyecizge.c nyecizge.c: In function 'test_float16x4_t': nyecizge.c:5:1: internal compiler error: in classify_argument, at config/i386/i386.c:2474 5 | { | ^ 0x78253f classify_argument /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210905/work/gcc-12-20210905/gcc/config/i386/i386.c:2474 0x120239a examine_argument /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210905/work/gcc-12-20210905/gcc/config/i386/i386.c:2493 0x12058ff ix86_return_in_memory /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210905/work/gcc-12-20210905/gcc/config/i386/i386.c:4186 0xb2d715 aggregate_value_p(tree_node const*, tree_node const*) /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210905/work/gcc-12-20210905/gcc/function.c:2119 0xb321ca allocate_struct_function(tree_node*, bool) /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210905/work/gcc-12-20210905/gcc/function.c:4845 0x84f23c store_parm_decls() /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210905/work/gcc-12-20210905/gcc/c/c-decl.c:10128 0x8af40f c_parser_declaration_or_fndef /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210905/work/gcc-12-20210905/gcc/c/c-parser.c:2506 0x8b7a53 c_parser_external_declaration /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210905/work/gcc-12-20210905/gcc/c/c-parser.c:1780 0x8b84bb c_parser_translation_unit /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210905/work/gcc-12-20210905/gcc/c/c-parser.c:1653 0x8b84bb c_parse_file() /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210905/work/gcc-12-20210905/gcc/c/c-parser.c:22581 0x919b3d c_common_parse_file() /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210905/work/gcc-12-20210905/gcc/c-family/c-opts.c:1236