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re PR debug/79289 (DWARF info for typeof of C function with no args and no prototype is empty pointer) 

PR debug/79289
	* dwarf2out.c (gen_type_die_with_usage): When picking a variant
	for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.

From-SVN: r245039
This commit is contained in:
Ian Lance Taylor 2017-01-30 22:26:26 +00:00 committed by Ian Lance Taylor
parent 25a5787d46
commit 1fec56cf14
2 changed files with 13 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2017-01-30 Ian Lance Taylor <iant@google.com>
PR debug/79289
* dwarf2out.c (gen_type_die_with_usage): When picking a variant
for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
2017-01-30 Martin Sebor <msebor@redhat.com>
* doc/invoke.texi (-Wformat-truncation=1): Fix typo.

9
gcc/dwarf2out.c
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@ -24453,8 +24453,13 @@ gen_type_die_with_usage (tree type, dw_die_ref context_die,
but try to canonicalize. */
tree main = TYPE_MAIN_VARIANT (type);
for (tree t = main; t; t = TYPE_NEXT_VARIANT (t))
if (check_base_type (t, main) && check_lang_type (t, type))
type = t;
{
if (check_base_type (t, main) && check_lang_type (t, type))
{
type = t;
break;
}
}
}
else if (TREE_CODE (type) != VECTOR_TYPE
&& TREE_CODE (type) != ARRAY_TYPE)