procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

re PR lto/62026 (Crash in lto_get_decl_name_mapping)

Browse source 
PR lto/62026
	* lto/pr62026.C: New testcase.

	* cgraphclones.c (duplicate_thunk_for_node): Get body to have args
	to duplicate.
	* lto-streamer-out.c (lto_output): Handle correctly thunks that was born
	at WPA time.

From-SVN: r216278
This commit is contained in:
Jan Hubicka 2014-10-15 19:01:08 +02:00 • committed by Jan Hubicka
parent d5ffd10bc2
commit 48fb6d4090
5 changed files with 42 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
gcc/ChangeLog
View file

@ -1,3 +1,11 @@
2014-10-15 Jan Hubicka <hubicka@ucw.cz>
PR lto/62026
* cgraphclones.c (duplicate_thunk_for_node): Get body to have args
to duplicate.
* lto-streamer-out.c (lto_output): Handle correctly thunks that was born
at WPA time.
2014-10-15 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/63448

3
gcc/cgraphclones.c
View file

@ -295,6 +295,9 @@ duplicate_thunk_for_node (cgraph_node *thunk, cgraph_node *node)
if (thunk_of->thunk.thunk_p)
node = duplicate_thunk_for_node (thunk_of, node);
if (!DECL_ARGUMENTS (thunk->decl))
thunk->get_body ();
cgraph_edge *cs;
for (cs = node->callers; cs; cs = cs->next_caller)
if (cs->caller->thunk.thunk_p

5
gcc/lto-streamer-out.c
View file

@ -2249,7 +2249,10 @@ lto_output (void)
#endif
decl_state = lto_new_out_decl_state ();
lto_push_out_decl_state (decl_state);
if (gimple_has_body_p (node->decl) || !flag_wpa)
if (gimple_has_body_p (node->decl) || !flag_wpa
/* Thunks have no body but they may be synthetized
at WPA time. */
|| DECL_ARGUMENTS (node->decl))
output_function (node);
else
copy_function_or_variable (node);

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2014-10-15 Jan Hubicka <hubicka@ucw.cz>
PR lto/62026
* lto/pr62026.C: New testcase.
2014-10-15 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/63448

22
gcc/testsuite/g++.dg/lto/pr62026.C Normal file
View file

@ -0,0 +1,22 @@
// { dg-lto-do link }
// { dg-lto-options {{-flto -O3 -r -nostdlib}} }
class C;
class F {
virtual C m_fn1();
};
class C {
public:
virtual int *m_fn3(int);
};
class G : F, C {
int offsets;
int *m_fn3(int);
};
C *a;
int *G::m_fn3(int) {
if (offsets) return 0;
}
void fn1() {
for (;;) a->m_fn3(0);
}