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* [Bug c++/64995] New: [5 Regression] ICE in vn_reference_insert_pieces, at tree-ssa-sccvn.c:2341
@ 2015-02-10 8:34 doko at gcc dot gnu.org
2015-02-10 8:37 ` [Bug c++/64995] " mpolacek at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: doko at gcc dot gnu.org @ 2015-02-10 8:34 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64995
Bug ID: 64995
Summary: [5 Regression] ICE in vn_reference_insert_pieces, at
tree-ssa-sccvn.c:2341
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: doko at gcc dot gnu.org
seen with trunk 20150210 on x86_64-linux-gnu
$ g++ -c -g -O2 World.cc
World.cc: In function 'void passTime()':
World.cc:23:6: internal compiler error: in vn_reference_insert_pieces, at
tree-ssa-sccvn.c:2341
void passTime() {
^
Please submit a full bug report,
with preprocessed source if appropriate.
$ cat World.cc
extern "C" double acos(double);
class A {
public:
double mY, mZ;
A(double, double);
double m_fn1(A *);
int *m_fn2();
};
double a;
A *b;
A::A(double, double) : mY(), mZ() {}
double A::m_fn1(A *) { return mY * mZ; }
inline int *A::m_fn2() {
mZ = 0;
double c = m_fn1(this);
a = acos(c);
double d = m_fn1(b);
acos(d);
}
void passTime() {
A e(0, 1);
e.m_fn2();
}
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/64995] [5 Regression] ICE in vn_reference_insert_pieces, at tree-ssa-sccvn.c:2341
2015-02-10 8:34 [Bug c++/64995] New: [5 Regression] ICE in vn_reference_insert_pieces, at tree-ssa-sccvn.c:2341 doko at gcc dot gnu.org
@ 2015-02-10 8:37 ` mpolacek at gcc dot gnu.org
2015-02-10 9:51 ` mpolacek at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-02-10 8:37 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64995
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-02-10
CC| |mpolacek at gcc dot gnu.org
Target Milestone|--- |5.0
Ever confirmed|0 |1
--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed. Bisecting...
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/64995] [5 Regression] ICE in vn_reference_insert_pieces, at tree-ssa-sccvn.c:2341
2015-02-10 8:34 [Bug c++/64995] New: [5 Regression] ICE in vn_reference_insert_pieces, at tree-ssa-sccvn.c:2341 doko at gcc dot gnu.org
2015-02-10 8:37 ` [Bug c++/64995] " mpolacek at gcc dot gnu.org
@ 2015-02-10 9:51 ` mpolacek at gcc dot gnu.org
2015-02-10 10:14 ` [Bug tree-optimization/64995] " rguenth at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-02-10 9:51 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64995
--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Started with r218515.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/64995] [5 Regression] ICE in vn_reference_insert_pieces, at tree-ssa-sccvn.c:2341
2015-02-10 8:34 [Bug c++/64995] New: [5 Regression] ICE in vn_reference_insert_pieces, at tree-ssa-sccvn.c:2341 doko at gcc dot gnu.org
2015-02-10 8:37 ` [Bug c++/64995] " mpolacek at gcc dot gnu.org
2015-02-10 9:51 ` mpolacek at gcc dot gnu.org
@ 2015-02-10 10:14 ` rguenth at gcc dot gnu.org
2015-02-10 13:38 ` rguenth at gcc dot gnu.org
2015-02-10 13:42 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-02-10 10:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64995
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
Status|NEW |ASSIGNED
Component|c++ |tree-optimization
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Mine.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/64995] [5 Regression] ICE in vn_reference_insert_pieces, at tree-ssa-sccvn.c:2341
2015-02-10 8:34 [Bug c++/64995] New: [5 Regression] ICE in vn_reference_insert_pieces, at tree-ssa-sccvn.c:2341 doko at gcc dot gnu.org
` (2 preceding siblings ...)
2015-02-10 10:14 ` [Bug tree-optimization/64995] " rguenth at gcc dot gnu.org
@ 2015-02-10 13:38 ` rguenth at gcc dot gnu.org
2015-02-10 13:42 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-02-10 13:38 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64995
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Feb 10 13:37:54 2015
New Revision: 220581
URL: https://gcc.gnu.org/viewcvs?rev=220581&root=gcc&view=rev
Log:
2015-02-10 Richard Biener <rguenther@suse.de>
PR tree-optimization/64995
* tree-ssa-sccvn.c (set_ssa_val_to): Assert that the
value we use is final.
(visit_reference_op_store): Always valueize op.
(visit_use): Properly valueize vuses.
* g++.dg/torture/pr64995.C: New testcase.
Added:
trunk/gcc/testsuite/g++.dg/torture/pr64995.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-sccvn.c
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/64995] [5 Regression] ICE in vn_reference_insert_pieces, at tree-ssa-sccvn.c:2341
2015-02-10 8:34 [Bug c++/64995] New: [5 Regression] ICE in vn_reference_insert_pieces, at tree-ssa-sccvn.c:2341 doko at gcc dot gnu.org
` (3 preceding siblings ...)
2015-02-10 13:38 ` rguenth at gcc dot gnu.org
@ 2015-02-10 13:42 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-02-10 13:42 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64995
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2015-02-10 13:42 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2015-02-10 8:34 [Bug c++/64995] New: [5 Regression] ICE in vn_reference_insert_pieces, at tree-ssa-sccvn.c:2341 doko at gcc dot gnu.org
2015-02-10 8:37 ` [Bug c++/64995] " mpolacek at gcc dot gnu.org
2015-02-10 9:51 ` mpolacek at gcc dot gnu.org
2015-02-10 10:14 ` [Bug tree-optimization/64995] " rguenth at gcc dot gnu.org
2015-02-10 13:38 ` rguenth at gcc dot gnu.org
2015-02-10 13:42 ` rguenth at gcc dot gnu.org
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