https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88785
Bug ID: 88785
Summary: ICE in as_a, at machmode.h:353
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: kretz at kde dot org
Target Milestone: ---
Created attachment 45398
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45398&action=edit
reduced test case
Compile the attached test case with `-g -O2 -std=gnu++17 -march=skylake-avx512
-c`:
during RTL pass: final
ice.cpp: In function ‘void dg() [with dc = a::b<long int>]’:
ice.cpp:192:1: internal compiler error: in as_a, at machmode.h:353
192 | }
| ^
0x6d31e4 scalar_float_mode as_a<scalar_float_mode>(machine_mode)
../../gcc/machmode.h:353
0x6d31e4 insert_float
../../gcc/dwarf2out.c:19456
0xbbc38e add_const_value_attribute
../../gcc/dwarf2out.c:19548
0xbbd9a3 add_location_or_const_value_attribute
../../gcc/dwarf2out.c:20106
0xbbd9a3 add_location_or_const_value_attribute
../../gcc/dwarf2out.c:20060
0xbd000a gen_variable_die
../../gcc/dwarf2out.c:23880
0xbc4348 gen_decl_die
../../gcc/dwarf2out.c:26371
0xbc14cf decls_for_scope
../../gcc/dwarf2out.c:25858
0xbddff6 gen_inlined_subroutine_die
../../gcc/dwarf2out.c:24219
0xbddff6 gen_block_die
../../gcc/dwarf2out.c:25762
0xbc158a decls_for_scope
../../gcc/dwarf2out.c:25887
0xbddff6 gen_inlined_subroutine_die
../../gcc/dwarf2out.c:24219
0xbddff6 gen_block_die
../../gcc/dwarf2out.c:25762
0xbc158a decls_for_scope
../../gcc/dwarf2out.c:25887
0xbc252f gen_subprogram_die
../../gcc/dwarf2out.c:23328
0xbc3f9c gen_decl_die
../../gcc/dwarf2out.c:26288
0xbc4b3e dwarf2out_decl
../../gcc/dwarf2out.c:26856
0xbc4fbe dwarf2out_function_decl
../../gcc/dwarf2out.c:26871
0xc390bc rest_of_handle_final
../../gcc/final.c:4695
0xc390bc execute
../../gcc/final.c:4737
