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* [Bug go/67284] New: libgo fails to build on trunk r227015 / *-linux-gnu
@ 2015-08-19 20:41 doko at gcc dot gnu.org
2015-08-21 3:27 ` [Bug tree-optimization/67284] " miyuki at gcc dot gnu.org
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: doko at gcc dot gnu.org @ 2015-08-19 20:41 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67284
Bug ID: 67284
Summary: libgo fails to build on trunk r227015 / *-linux-gnu
Product: gcc
Version: 5.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: go
Assignee: ian at airs dot com
Reporter: doko at gcc dot gnu.org
CC: cmang at google dot com
Target Milestone: ---
libgo ftbfs on the trunk r227015
powerpc64le-linux-gnu:
../../../src/libgo/go/encoding/gob/decode.go: In function
'gob.decIgnoreOpFor.pN20_encoding_gob.Decoder':
../../../src/libgo/go/encoding/gob/decode.go:843:1: internal compiler error: in
operator[], at vec.h:714
func (dec *Decoder) decIgnoreOpFor(wireId typeId) decOp {
^
x86_64-linux-gnu (32bit multilib), aarch64-linux-gnu, i686-linux-gnu,
powerpc-linux-gnu:
../../../../src/libgo/go/encoding/gob/decode.go: In function
'gob.decIgnoreOpFor.pN20_encoding_gob.Decoder':
../../../../src/libgo/go/encoding/gob/decode.go:843:1: internal compiler error:
in operator[], at vec.h:714
func (dec *Decoder) decIgnoreOpFor(wireId typeId) decOp {
^
0xacea17 vec<edge_def*, va_gc, vl_embed>::operator[](unsigned int)
../../src/gcc/vec.h:714
0xacea17 extract_true_false_edges_from_block(basic_block_def*, edge_def**,
edge_def**)
../../src/gcc/tree-cfg.c:8456
0xad71b1 gimple_verify_flow_info
../../src/gcc/tree-cfg.c:5260
0x6f2a35 verify_flow_info()
../../src/gcc/cfghooks.c:260
0xae7141 cleanup_tree_cfg_noloop
../../src/gcc/tree-cfgcleanup.c:739
0xae7141 cleanup_tree_cfg()
../../src/gcc/tree-cfgcleanup.c:788
0x9db3f4 execute_function_todo
../../src/gcc/passes.c:1900
0x9dbd03 execute_todo
../../src/gcc/passes.c:2005
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-snapshot/README.Bugs> for instructions.
Makefile:5201: recipe for target 'encoding/gob.lo' failed
make[10]: *** [encoding/gob.lo] Error 1
make[10]: Leaving directory '/«PKGBUILDDIR»/build/x86_64-linux-gnu/32/libgo'
Makefile:4058: recipe for target 'all-recursive' failed
make[9]: *** [all-recursive] Error 1
>From gcc-bugs-return-495233-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Wed Aug 19 23:55:40 2015
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From: "manu at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/67279] -fsanitize=undefined spurious error: initializer element is not constant
Date: Wed, 19 Aug 2015 23:55:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67279
--- Comment #5 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
(In reply to Manuel López-Ibáñez from comment #4)
> A possible solution could be to give a warning enabled by default (about 1
> << 31 being undefined) and to NOT sanitize expressions that are required to
> be constants (since anyway the compiler will not accept them).
Indeed, Clang doesn't instrument static initializers. This is a bug on the
C/C++ FEs instrumentation.
I wonder what happens with global static and static const? They do not seem to
be instrumented by the sanitizer.
>From gcc-bugs-return-495234-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Aug 20 01:46:27 2015
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From: "jason at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/66957] [4.9/5/6 Regression] incorrect "is protected within this context" error
Date: Thu, 20 Aug 2015 01:46:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idf957
--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Thu Aug 20 01:45:49 2015
New Revision: 227023
URL: https://gcc.gnu.org/viewcvs?rev"7023&root=gcc&view=rev
Log:
PR c++/66957
* search.c (protected_accessible_p): Remove redundant access_in_type.
Add otype parm instead of walking binfo.
(friend_accessible_p): Check SCOPE itself. Handle class
templates. Pass through otype.
(dfs_accessible_post): Handle all accessibility cases.
(dfs_accessible_pre): New.
(accessible_p): Use it. Don't check protected access here. Pass
decl and otype to dfs_walk.
(member_declared_in_type, dfs_access_in_type_pre): New.
(access_in_type): Use dfs_access_in_type_pre.
* friend.c (add_friend): Fix multiple friends with the same name.
Added:
trunk/gcc/testsuite/g++.dg/inherit/access9.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/friend.c
trunk/gcc/cp/search.c
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/67284] libgo fails to build on trunk r227015 / *-linux-gnu
2015-08-19 20:41 [Bug go/67284] New: libgo fails to build on trunk r227015 / *-linux-gnu doko at gcc dot gnu.org
@ 2015-08-21 3:27 ` miyuki at gcc dot gnu.org
2015-08-21 7:56 ` [Bug tree-optimization/67284] [6 regression] " schwab@linux-m68k.org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: miyuki at gcc dot gnu.org @ 2015-08-21 3:27 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67284
Mikhail Maltsev <miyuki at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|powerpc64le-linux-gnu |powerpc64le-linux-gnu,
| |x64_64-pc-linux-gnu
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-08-21
CC| |miyuki at gcc dot gnu.org
Component|go |tree-optimization
Assignee|ian at airs dot com |unassigned at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Mikhail Maltsev <miyuki at gcc dot gnu.org> ---
Reduced testcase:
$ cat test.go
package a
type Decoder struct {
wireType map[int32]*int32
}
func (Decoder) ignoreMap(keyOp, elemOp func())
var decIgnoreOpMap map[int32]func()
func (dec Decoder) decIgnoreOpFor(wireId int32) func() {
var op func()
wire := dec.wireType
if wire != nil {
keyId := *dec.wireType[wireId]
elemId := *dec.wireType[wireId]
keyOp := dec.decIgnoreOpFor(keyId)
elemOp := dec.decIgnoreOpFor(elemId)
op = func() {
dec.ignoreMap(keyOp, elemOp)
}
}
return op
}
$ ./go1 -O2 test.go
test.go: In function 'a.decIgnoreOpFor.N12_go.a.Decoder':
test.go:11:1: internal compiler error: in operator[], at vec.h:714
func (dec Decoder) decIgnoreOpFor(wireId int32) func() {
^
0x85bcee vec<edge_def*, va_gc, vl_embed>::operator[](unsigned int)
/home/miyuki/gcc/src/gcc/vec.h:714
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/67284] [6 regression] libgo fails to build on trunk r227015 / *-linux-gnu
2015-08-19 20:41 [Bug go/67284] New: libgo fails to build on trunk r227015 / *-linux-gnu doko at gcc dot gnu.org
2015-08-21 3:27 ` [Bug tree-optimization/67284] " miyuki at gcc dot gnu.org
@ 2015-08-21 7:56 ` schwab@linux-m68k.org
2015-08-21 8:42 ` mpolacek at gcc dot gnu.org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: schwab@linux-m68k.org @ 2015-08-21 7:56 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67284
Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|powerpc64le-linux-gnu, |powerpc64le-linux-gnu,
|x64_64-pc-linux-gnu |x64_64-pc-linux-gnu,
| |aarch64-*
Version|5.2.1 |6.0
Blocks| |67133
Target Milestone|--- |6.0
Summary|libgo fails to build on |[6 regression] libgo fails
|trunk r227015 / *-linux-gnu |to build on trunk r227015 /
| |*-linux-gnu
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67133
[Bug 67133] [6 Regression] ICE at -Os and above on x86_64-linux-gnu in
gimple_op, at gimple.h:2274
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/67284] [6 regression] libgo fails to build on trunk r227015 / *-linux-gnu
2015-08-19 20:41 [Bug go/67284] New: libgo fails to build on trunk r227015 / *-linux-gnu doko at gcc dot gnu.org
2015-08-21 3:27 ` [Bug tree-optimization/67284] " miyuki at gcc dot gnu.org
2015-08-21 7:56 ` [Bug tree-optimization/67284] [6 regression] " schwab@linux-m68k.org
@ 2015-08-21 8:42 ` mpolacek at gcc dot gnu.org
2015-08-21 8:44 ` mpolacek at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-08-21 8:42 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67284
--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Looks like
--- a/gcc/gimple-ssa-isolate-paths.c
+++ b/gcc/gimple-ssa-isolate-paths.c
@@ -115,7 +115,8 @@ insert_trap (gimple_stmt_iterator *si_p, tree op)
else
gsi_insert_before (si_p, seq, GSI_NEW_STMT);
- split_block (gimple_bb (new_stmt), new_stmt);
+ edge e = split_block (gimple_bb (new_stmt), new_stmt);
+ remove_edge (e);
*si_p = gsi_for_stmt (stmt);
}
fixes it.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/67284] [6 regression] libgo fails to build on trunk r227015 / *-linux-gnu
2015-08-19 20:41 [Bug go/67284] New: libgo fails to build on trunk r227015 / *-linux-gnu doko at gcc dot gnu.org
` (2 preceding siblings ...)
2015-08-21 8:42 ` mpolacek at gcc dot gnu.org
@ 2015-08-21 8:44 ` mpolacek at gcc dot gnu.org
2015-08-24 16:06 ` mpolacek at gcc dot gnu.org
2015-08-24 16:07 ` mpolacek at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-08-21 8:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67284
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |mpolacek at gcc dot gnu.org
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/67284] [6 regression] libgo fails to build on trunk r227015 / *-linux-gnu
2015-08-19 20:41 [Bug go/67284] New: libgo fails to build on trunk r227015 / *-linux-gnu doko at gcc dot gnu.org
` (3 preceding siblings ...)
2015-08-21 8:44 ` mpolacek at gcc dot gnu.org
@ 2015-08-24 16:06 ` mpolacek at gcc dot gnu.org
2015-08-24 16:07 ` mpolacek at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-08-24 16:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67284
--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Mon Aug 24 16:06:02 2015
New Revision: 227134
URL: https://gcc.gnu.org/viewcvs?rev=227134&root=gcc&view=rev
Log:
PR tree-optimization/67284
* go-gcc.cc (Gcc_backend::define_builtin): Add NORETURN_P parameter.
Set TREE_THIS_VOLATILE.
(Gcc_backend::Gcc_backend): Mark __builtin_trap as a noreturn call.
Pass false to the rest of define_builtin calls.
Modified:
trunk/gcc/go/ChangeLog
trunk/gcc/go/go-gcc.cc
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/67284] [6 regression] libgo fails to build on trunk r227015 / *-linux-gnu
2015-08-19 20:41 [Bug go/67284] New: libgo fails to build on trunk r227015 / *-linux-gnu doko at gcc dot gnu.org
` (4 preceding siblings ...)
2015-08-24 16:06 ` mpolacek at gcc dot gnu.org
@ 2015-08-24 16:07 ` mpolacek at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-08-24 16:07 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67284
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Should be fixed.
^ permalink raw reply [flat|nested] 7+ messages in thread
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2015-08-19 20:41 [Bug go/67284] New: libgo fails to build on trunk r227015 / *-linux-gnu doko at gcc dot gnu.org
2015-08-21 3:27 ` [Bug tree-optimization/67284] " miyuki at gcc dot gnu.org
2015-08-21 7:56 ` [Bug tree-optimization/67284] [6 regression] " schwab@linux-m68k.org
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