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* [PATCH] tree-optimization/109596 - wrong debug stmt move by copyheader
@ 2024-04-11  9:10 Richard Biener
  0 siblings, 0 replies; only message in thread
From: Richard Biener @ 2024-04-11  9:10 UTC (permalink / raw)
  To: gcc-patches

The following fixes an omission in r14-162-gcda246f8b421ba causing
wrong-debug and a bunch of guality regressions.

Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.

	PR tree-optimization/109596
	* tree-ssa-loop-ch.cc (ch_base::copy_headers): Propagate
	debug stmts to nonexit->dest rather than exit->dest.
---
 gcc/tree-ssa-loop-ch.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/tree-ssa-loop-ch.cc b/gcc/tree-ssa-loop-ch.cc
index 1f0033be4c4..b7ef485c4cc 100644
--- a/gcc/tree-ssa-loop-ch.cc
+++ b/gcc/tree-ssa-loop-ch.cc
@@ -957,7 +957,7 @@ ch_base::copy_headers (function *fun)
 
       edge entry = loop_preheader_edge (loop);
 
-      propagate_threaded_block_debug_into (exit->dest, entry->dest);
+      propagate_threaded_block_debug_into (nonexit->dest, entry->dest);
       if (!gimple_duplicate_seme_region (entry, exit, bbs, n_bbs, copied_bbs,
 					 true))
 	{
-- 
2.35.3

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