https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108145
Bug ID: 108145
Summary: [13 regression] ICE in from_reg_br_prob_base, at
profile-count.h:259
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
Target Milestone: ---
Target: i386-pc-solaris2.11
Between 20221214 (330b9a8d87dd73e10539da618496ad4964fee26d) and 20221216
(711e0acdbb2645f5a8aa89014488c24e89ccb0f7), Solaris/x86 bootstrap broke
building
the 64-bit gmon.o.
$ cc1 -fpreprocessed gmon.i -quiet -m64 -mtune=generic -march=x86-64 -O2 -o
gmon.s
[...]
during RTL pass: expand
/vol/gcc/src/hg/master/local/libgcc/config/sol2/gmon.c: In function
‘monstartup’:
/vol/gcc/src/hg/master/local/libgcc/config/sol2/gmon.c:150:1: internal compiler
error: in from_reg_br_prob_base, at profile-count.h:259
150 | }
| ^
Thread 2 hit Breakpoint 1, 0x0a514206 in fancy_abort(char const*, int, char
const*) ()
(gdb) bt
#0 0x0a514206 in fancy_abort(char const*, int, char const*) ()
#1 0x0926e3b4 in profile_probability::from_reg_br_prob_base(int) [clone
.part.0] ()
#2 0x0926ed0e in guess_outgoing_edge_probabilities(basic_block_def*) [clone
.cold] ()
#3 0x0a225ee3 in find_many_sub_basic_blocks(simple_bitmap_def*) ()
#4 0x08dca2e2 in (anonymous namespace)::pass_expand::execute(function*) ()
#5 0x0923de4f in execute_one_pass(opt_pass*) ()
#6 0x0923e795 in execute_pass_list_1(opt_pass*) ()
#7 0x0923e7de in execute_pass_list(function*, opt_pass*) ()
#8 0x08e10c74 in cgraph_node::expand() ()
#9 0x08e121a9 in symbol_table::compile() [clone .part.0] ()
#10 0x08e14b96 in symbol_table::finalize_compilation_unit() ()
#11 0x09346fe1 in compile_file() ()
#12 0x0934a28e in toplev::main(int, char**) ()
#13 0x0a4f0761 in main ()
