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re PR c++/3698 (improper handling of an extern declared inline function) 

PR c++/3698
	PR c++/86208
	* cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
	in TREE_USED flag from stmt to h->to.

	* g++.dg/opt/pr3698.C: New test.

From-SVN: r262678
This commit is contained in:
Jakub Jelinek 2018-07-16 09:43:43 +02:00 committed by Jakub Jelinek
parent 6fb4417f5e
commit 9e51f66f9b
4 changed files with 35 additions and 0 deletions
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7
gcc/cp/ChangeLog
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@ -1,3 +1,10 @@
2018-07-16 Jakub Jelinek <jakub@redhat.com>
PR c++/3698
PR c++/86208
* cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
in TREE_USED flag from stmt to h->to.
2018-07-13 Nathan Sidwell <nathan@acm.org> 2018-07-13 Nathan Sidwell <nathan@acm.org>
PR c++/86374 PR c++/86374

1
gcc/cp/cp-gimplify.c
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@ -1085,6 +1085,7 @@ cp_genericize_r (tree *stmt_p, int *walk_subtrees, void *data)
if (h) if (h)
{ {
*stmt_p = h->to; *stmt_p = h->to;
TREE_USED (h->to) |= TREE_USED (stmt);
*walk_subtrees = 0; *walk_subtrees = 0;
return NULL; return NULL;
} }

6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2018-07-16 Jakub Jelinek <jakub@redhat.com>
PR c++/3698
PR c++/86208
* g++.dg/opt/pr3698.C: New test.
2018-07-16 Richard Biener <rguenther@suse.de> 2018-07-16 Richard Biener <rguenther@suse.de>
PR ipa/86389 PR ipa/86389

21
gcc/testsuite/g++.dg/opt/pr3698.C Normal file
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@ -0,0 +1,21 @@
// PR c++/3698
// { dg-do link }
// { dg-options "-O0" }
struct X {
int i;
};
inline const int&
OHashKey (const X& x)
{
return x.i;
}
int
main ()
{
extern const int& OHashKey (const X& x);
X x;
return OHashKey (x);
}