[Bug ada/71413] [7 Regression] bootstrap (gnat) broken on arm-linux-gnueabi*

[bernds at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71413

--- Comment #3 from Bernd Schmidt <bernds at gcc dot gnu.org> ---
Also, to help narrow it down, can you try it with this patch?

Index: tree-ssa-strlen.c
===================================================================
--- tree-ssa-strlen.c   (revision 237069)
+++ tree-ssa-strlen.c   (working copy)
@@ -1860,7 +1860,7 @@ handle_builtin_memcmp (gimple_stmt_itera
   use_operand_p use_p;
   imm_use_iterator iter;

-  if (!res)
+  if (1 || !res)
     return true;

   FOR_EACH_IMM_USE_FAST (use_p, iter, res)