https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108253
Bug ID: 108253
Summary: [13 Regression] ICE in set_nonzero_bits
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: law at gcc dot gnu.org
Target Milestone: ---
Target: x86_64
Created attachment 54167
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54167&action=edit
Testcase
I'm assuming this is a regression as I suspect the abseil-cpp package was
around and built during the f36/f37 gcc-12 cycle.
g++ -O2
./absl/strings/CMakeFiles/absl_cord_ring_reader_test.dir/cord_ring_reader_test.cc.ii
during GIMPLE pass: dom
/builddir/build/BUILD/abseil-cpp-20220623.1/absl/strings/cord_ring_reader_test.cc:
In member function 'virtual void
absl::lts_20220623::cord_internal::{anonymous}::CordRingReaderTest_DefaultInstance_Test::TestBody()':
/builddir/build/BUILD/abseil-cpp-20220623.1/absl/strings/cord_ring_reader_test.cc:58:1:
internal compiler error: in set_nonzero_bits, at tree-ssanames.cc:464
58 | TEST(CordRingReaderTest, DefaultInstance) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libbacktrace could not find executable to open
Please submit a full bug report, with preprocessed source.
See <http://bugzilla.redhat.com/bugzilla> for instructions.
I haven't reduced or debugged this at all. It could well land on me as it's
failing in DOM. It could also well land on Aldy/Andrew since I suspect it's
touching ranger from inside DOM.
