1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/gcse.c b/gcc/gcse.c
index 88f94f6..7442faa 100644
--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -7175,6 +7175,11 @@ find_moveable_store (rtx insn, int *regs_set_before, int *regs_set_after)
   if (flag_non_call_exceptions && may_trap_p (dest))
     return;
 
+  /* Even if the destination cannot trap, the source may.  In this case we'd
+     need to handle updating the REG_EH_REGION note.  */
+  if (find_reg_note (insn, REG_EH_REGION, NULL_RTX))
+    return;
+
   ptr = ldst_entry (dest);
   if (!ptr->pattern_regs)
     ptr->pattern_regs = extract_mentioned_regs (dest);