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tree-inline decl_map: skip mapping NULL to itself

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Mapping a NULL key is no use, skip it.


for  gcc/ChangeLog

	* tree-inline.cc (insert_decl_map): Skip mapping a NULL decl
	as value to itself.
This commit is contained in:
Alexandre Oliva 2022-12-29 14:32:49 -03:00 • committed by Alexandre Oliva
parent 50a0270389
commit d7c8a16537
1 changed files with 1 additions and 1 deletions
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gcc/tree-inline.cc
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@ -148,7 +148,7 @@ insert_decl_map (copy_body_data *id, tree key, tree value)
/* Always insert an identity map as well. If we see this same new
node again, we won't want to duplicate it a second time. */
if (key != value)
if (key != value && value)
id->decl_map->put (value, value);
}