https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87114
Bug ID: 87114
Summary: [9 regression] ICE in
gcc.c-torture/execute/builtins/strnlen.c starting with
r263855
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
make -k check-gcc
RUNTESTFLAGS=builtins.exp=gcc.c-torture/execute/builtins/strnlen.c
# of expected passes 10
# of unexpected failures 3
FAIL: gcc.c-torture/execute/builtins/strnlen.c compilation, -O1 (internal
compiler error)
FAIL: gcc.c-torture/execute/builtins/strnlen.c compilation, -Os (internal
compiler error)
FAIL: gcc.c-torture/execute/builtins/strnlen.c compilation, -Og -g (internal
compiler error)
Looks like this is happening on multiple architectures.
spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test/gcc/
/home/seurer/gcc/gcc-test/gcc/testsuite/gcc.c-torture/execute/builtins/strnlen.c
/home/seurer/gcc/gcc-test/gcc/testsuite/gcc.c-torture/execute/builtins/strnlen-lib.c
/home/seurer/gcc/gcc-test/gcc/testsuite/gcc.c-torture/execute/builtins/lib/main.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -w -Og -g -fno-tree-loop-distribute-patterns
-fno-tracer -lm -o /home/seurer/gcc/build/gcc-test/gcc/testsuite/gcc/strnlen.x5
during RTL pass: expand
/home/seurer/gcc/gcc-test/gcc/testsuite/gcc.c-torture/execute/builtins/strnlen.c:
In function 'test_strnlen_str_range':
/home/seurer/gcc/gcc-test/gcc/testsuite/gcc.c-torture/execute/builtins/strnlen.c:51:6:
internal compiler error: in fold_binary_loc, at fold-const.c:9334
/home/seurer/gcc/gcc-test/gcc/testsuite/gcc.c-torture/execute/builtins/strnlen.c:14:5:
note: in definition of macro 'A'
0x105cd74f fold_binary_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
/home/seurer/gcc/gcc-test/gcc/fold-const.c:9333
0x105d443f fold_build2_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
/home/seurer/gcc/gcc-test/gcc/fold-const.c:12360
0x103a75c3 expand_builtin_strnlen
/home/seurer/gcc/gcc-test/gcc/builtins.c:3023
0x103b49b7 expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int)
/home/seurer/gcc/gcc-test/gcc/builtins.c:7331
0x1057e49f expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/home/seurer/gcc/gcc-test/gcc/expr.c:10943
0x1058f05f store_expr(tree_node*, rtx_def*, int, bool, bool)
/home/seurer/gcc/gcc-test/gcc/expr.c:5636
0x10591653 expand_assignment(tree_node*, tree_node*, bool)
/home/seurer/gcc/gcc-test/gcc/expr.c:5420
0x103e4313 expand_call_stmt
/home/seurer/gcc/gcc-test/gcc/cfgexpand.c:2685
0x103e4313 expand_gimple_stmt_1
/home/seurer/gcc/gcc-test/gcc/cfgexpand.c:3575
0x103e4313 expand_gimple_stmt
/home/seurer/gcc/gcc-test/gcc/cfgexpand.c:3734
0x103eb527 expand_gimple_basic_block
/home/seurer/gcc/gcc-test/gcc/cfgexpand.c:5770
0x103ee647 execute
/home/seurer/gcc/gcc-test/gcc/cfgexpand.c:6373
