c++: Handle multiple aggregate overloads [PR95319].

[thirdparty/gcc.git] / gcc / reload1.c

diff --git a/gcc/reload1.c b/gcc/reload1.c
index 2d96fe9433df3b643f3e31074641c4722a50e89a..88f4727d5453dd0b406fc22838274a3a7bb1eb5c 100644 (file)
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -1,5 +1,5 @@
 /* Reload pseudo regs into hard regs for insns that require hard regs.
-   Copyright (C) 1987-2019 Free Software Foundation, Inc.
+   Copyright (C) 1987-2020 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -2607,8 +2607,9 @@ eliminate_regs_1 (rtx x, machine_mode mem_mode, rtx insn,
                   structure of the insn in a way that reload can't handle.
                   We special-case the commonest situation in
                   eliminate_regs_in_insn, so just replace a PLUS with a
-                  PLUS here, unless inside a MEM.  */
-               if (mem_mode != 0
+                  PLUS here, unless inside a MEM.  In DEBUG_INSNs, it is
+                  always ok to replace a PLUS with just a REG.  */
+               if ((mem_mode != 0 || (insn && DEBUG_INSN_P (insn)))
                    && CONST_INT_P (XEXP (x, 1))
                    && known_eq (INTVAL (XEXP (x, 1)), -ep->previous_offset))
                  return ep->to_rtx;