Hi!

During backporting I've noticed I've missed one return spot for the
restoration of the original flag_trapv flag value.

Tested on x86_64-linux, committed to trunk as obvious.  Sorry.

2024-04-19  Jakub Jelinek  <ja...@redhat.com>

        PR middle-end/114753
        * internal-fn.cc (expand_arith_overflow): Add one missing restore
        of flag_trapv before return.

--- gcc/internal-fn.cc.jj       2024-04-18 09:45:08.079695875 +0200
+++ gcc/internal-fn.cc  2024-04-19 18:11:51.202204402 +0200
@@ -2793,6 +2793,7 @@ expand_arith_overflow (enum tree_code co
            case PLUS_EXPR:
              expand_addsub_overflow (loc, code, lhs, arg0, arg1, unsr_p,
                                      unsr_p, unsr_p, false, NULL);
+             flag_trapv = save_flag_trapv;
              return;
            case MULT_EXPR:
              expand_mul_overflow (loc, lhs, arg0, arg1, unsr_p,

        Jakub

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