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re PR c/90677 (gcc-9.1.0 fails to build __gcc_diag__ souce: error: 'cgraph_node' is not defined as a type)

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PR c/90677
	* cp-objcp-common.c (identifier_global_tag): Return NULL_TREE if name
	has not been found, rather than error_mark_node.

	* c-c++-common/pr90677-2.c: New test.

From-SVN: r279840
This commit is contained in:
Jakub Jelinek 2020-01-02 18:29:59 +01:00 committed by Jakub Jelinek
parent f782b66765
commit 4a08009efa
4 changed files with 24 additions and 2 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2020-01-02 Jakub Jelinek <jakub@redhat.com>
PR c/90677
* cp-objcp-common.c (identifier_global_tag): Return NULL_TREE if name
has not been found, rather than error_mark_node.
2020-01-01 Jakub Jelinek <jakub@redhat.com>
Update copyright years.

7
gcc/cp/cp-objcp-common.c
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@ -354,8 +354,11 @@ identifier_global_value (tree name)
tree
identifier_global_tag (tree name)
{
return lookup_qualified_name (global_namespace, name, /*prefer_type*/2,
/*complain*/false);
tree ret = lookup_qualified_name (global_namespace, name, /*prefer_type*/2,
/*complain*/false);
if (ret == error_mark_node)
return NULL_TREE;
return ret;
}
/* Returns true if NAME refers to a built-in function or function-like

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2020-01-02 Jakub Jelinek <jakub@redhat.com>
PR c/90677
* c-c++-common/pr90677-2.c: New test.
2020-01-02 Dennis Zhang <dennis.zhang@arm.com>
* gcc.target/arm/multilib.exp: Add combination tests for armv8.6-a.

8
gcc/testsuite/c-c++-common/pr90677-2.c Normal file
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@ -0,0 +1,8 @@
/* PR c/90677 */
/* { dg-do compile } */
/* { dg-options "-W -Wall" } */
extern void foo (int, int, const char *, ...)
__attribute__ ((__format__ (__gcc_tdiag__, 3, 4)));
struct cgraph_node;
extern void bar (struct cgraph_node *);