Avoid another -Werror=dangling-pointer
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Commit Message
write.c:415:7: error: dangling pointer ‘prev_frag’ to ‘dummy’ may be used
* write.c (chain_frchains_together_1): Rewrite loop as a do
while to avoid false positive -Wdangling-pointer.
@@ -380,7 +380,7 @@ chain_frchains_together_1 (segT section, struct frchain *frchp)
fragS dummy, *prev_frag = &dummy;
fixS fix_dummy, *prev_fix = &fix_dummy;
- for (; frchp; frchp = frchp->frch_next)
+ do
{
prev_frag->fr_next = frchp->frch_root;
prev_frag = frchp->frch_last;
@@ -393,7 +393,8 @@ chain_frchains_together_1 (segT section, struct frchain *frchp)
seg_info (section)->fix_tail = frchp->fix_tail;
prev_fix = frchp->fix_tail;
}
- }
+ frchp = frchp->frch_next;
+ } while (frchp);
gas_assert (prev_frag != &dummy
&& prev_frag->fr_type != 0);
prev_frag->fr_next = 0;