+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-10-23 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/111917
+ * tree-ssa-loop-unswitch.cc (hoist_guard): Always insert
+ new conditional after last stmt.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-10-17 Richard Biener <rguenther@suse.de>
+
+ PR middle-end/111818
+ * tree-ssa.cc (maybe_optimize_var): When clearing
+ DECL_NOT_GIMPLE_REG_P always rewrite into SSA.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-09-28 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/111614
+ * tree-ssa-reassoc.cc (undistribute_bitref_for_vector): Properly
+ convert the first vector when required.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-10-12 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/111764
+ * tree-vect-loop.cc (check_reduction_path): Remove the attempt
+ to allow x + x via special-casing of assigns.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-10-20 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/111445
+ * tree-scalar-evolution.cc (simple_iv_with_niters):
+ Add missing check for a sign-conversion.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-08-18 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/111019
+ * tree-ssa-loop-im.cc (gather_mem_refs_stmt): When canonicalizing
+ also scrap base and offset in case the ref is indirect.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-08-03 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/110702
+ * tree-ssa-loop-ivopts.cc (rewrite_use_address): When
+ we created a NULL pointer based access rewrite that to
+ a LEA.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-07-06 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/110556
+ * tree-ssa-tail-merge.cc (gimple_equal_p): Check
+ assign code and all operands of non-stores.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-07-06 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/110515
+ * tree-ssa-pre.cc (compute_avail): Make code dealing
+ with hoisting loads with different alias-sets more
+ robust.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-06-20 Richard Biener <rguenther@suse.de>
+
+ PR debug/110295
+ * dwarf2out.cc (process_scope_var): Continue processing
+ the decl after setting a parent in case the existing DIE
+ was in limbo.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-05-31 Richard Biener <rguenther@suse.de>
+
+ PR ipa/109983
+ PR tree-optimization/109143
+ * tree-ssa-structalias.cc (struct topo_info): Remove.
+ (init_topo_info): Likewise.
+ (free_topo_info): Likewise.
+ (compute_topo_order): Simplify API, put the component
+ with ESCAPED last so it's processed first.
+ (topo_visit): Adjust.
+ (solve_graph): Likewise.
+
2023-11-24 Uros Bizjak <ubizjak@gmail.com>
Backported from master:
+2023-11-27 Patrick Palka <ppalka@redhat.com>
+
+ Backported from master:
+ 2023-11-16 Patrick Palka <ppalka@redhat.com>
+
+ PR c++/111703
+ PR c++/107939
+ * g++.dg/cpp2a/concepts-fn8.C: Extend test.
+ * g++.dg/diagnostic/constexpr4.C: New test.
+
+2023-11-27 Patrick Palka <ppalka@redhat.com>
+
+ Backported from master:
+ 2023-11-15 Patrick Palka <ppalka@redhat.com>
+
+ PR c++/111703
+ PR c++/112269
+ * g++.dg/cpp2a/concepts-fn8.C: New test.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-10-23 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/111917
+ * gcc.dg/torture/pr111917.c: New testcase.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-10-17 Richard Biener <rguenther@suse.de>
+
+ PR middle-end/111818
+ * gcc.dg/torture/pr111818.c: New testcase.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-09-28 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/111614
+ * gcc.dg/torture/pr111614.c: New testcase.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-10-12 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/111764
+ * gcc.dg/vect/pr111764.c: New testcase.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-10-20 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/111445
+ * gcc.dg/torture/pr111445.c: New testcase.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-08-18 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/111019
+ * g++.dg/torture/pr111019.C: New testcase.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-08-03 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/110702
+ * gcc.dg/torture/pr110702.c: New testcase.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-07-06 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/110556
+ * gcc.dg/torture/pr110556.c: New testcase.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-07-06 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/110515
+ * g++.dg/opt/pr110515.C: New testcase.
+
+2023-11-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2023-06-20 Richard Biener <rguenther@suse.de>
+
+ PR debug/110295
+ * g++.dg/debug/pr110295.C: New testcase.
+
2023-11-24 Uros Bizjak <ubizjak@gmail.com>
Backported from master: