https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123852
Bug ID: 123852
Summary: [16 Regression] ada bootstrap failure on sh4-linux-gnu
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ada
Assignee: unassigned at gcc dot gnu.org
Reporter: doko at gcc dot gnu.org
CC: dkm at gcc dot gnu.org
Target Milestone: ---
seen with trunk 20260126 on sh4-linux-gnu, seen building a cross compiler using
a native x86_64 20260126 build:
x86_64-linux-gnu-gcc-16 -c -I./
-I/usr/lib/gcc/x86_64-linux-gnu/16/adalib/../adainclude
-I/usr/lib/gcc/x86_64-linux-gnu/1
6/adalib -I. -I/home/packages/cross/16/u/gcc-cross-ports/gcc/src/gcc/ada -g -O2
-W -Wall -fno-PIE -gnatpg -gnata -I- /hom
e/packages/cross/16/u/gcc-cross-ports/gcc/src/gcc/ada/stylesw.adb
0x1f7015e internal_error(char const*, ...)
../../src/gcc/diagnostic-global-context.cc:787
0x8d658b fancy_abort(char const*, int, char const*)
../../src/gcc/diagnostics/context.cc:1812
0x6b4897 gen_rtx_SUBREG(machine_mode, rtx_def*, poly_int<1u, unsigned long>)
../../src/gcc/emit-rtl.cc:1048
0x6b4897 gen_rtx_SUBREG(machine_mode, rtx_def*, poly_int<1u, unsigned long>)
../../src/gcc/emit-rtl.cc:1046
0x140efcd simplify_gen_subreg(machine_mode, rtx_def*, machine_mode,
poly_int<1u, unsigned long>)
../../src/gcc/rtl.h:3618
0x140efcd vt_expand_loc_callback
../../src/gcc/var-tracking.cc:8516
0xa0e491 cselib_expand_value_rtx_1
../../src/gcc/cselib.cc:1994
0xa0f842 cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def*
(*)(rtx_def*, bitmap_head*, int, void*), void*)
../../src/gcc/cselib.cc:1877
0x140eb7e vt_expand_var_loc_chain
../../src/gcc/var-tracking.cc:8411
0x140f36e vt_expand_loc_callback
../../src/gcc/var-tracking.cc:8575
0xa0e45f cselib_expand_value_rtx_1
../../src/gcc/cselib.cc:2029
0xa0f842 cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def*
(*)(rtx_def*, bitmap_head*, int, void*), void*)
../../src/gcc/cselib.cc:1877
0x140eb7e vt_expand_var_loc_chain
../../src/gcc/var-tracking.cc:8411
0x140fe0b vt_expand_1pvar
../../src/gcc/var-tracking.cc:8688
0x140fe0b emit_note_insn_var_location(variable**, emit_note_data*)
../../src/gcc/var-tracking.cc:8742
0x1416fc2 void hash_table<variable_hasher, false,
xcallocator>::traverse_noresize<emit_note_data*, &(emit_note_insn_var_l
ocation(variable**, emit_note_data*))>(emit_note_data*)
../../src/gcc/var-tracking.cc:9102
0x1416fc2 void hash_table<variable_hasher, false,
xcallocator>::traverse<emit_note_data*, &(emit_note_insn_var_location(v
ariable**, emit_note_data*))>(emit_note_data*)
../../src/gcc/hash-table.h:1194
0x1416fc2 emit_notes_for_changes
../../src/gcc/var-tracking.cc:9102
0x141c4d3 emit_notes_in_bb
../../src/gcc/var-tracking.cc:9549
0x141c4d3 vt_emit_notes
../../src/gcc/var-tracking.cc:9595
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
