[Bug d/104743] New: [12 regression] gdc.dg/torture/pr96152.d FAILs

[Bug d/104743] New: [12 regression] gdc.dg/torture/pr96152.d FAILs

[ro at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104743

            Bug ID: 104743
           Summary: [12 regression] gdc.dg/torture/pr96152.d FAILs
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: d
          Assignee: ibuclaw at gdcproject dot org
          Reporter: ro at gcc dot gnu.org
  Target Milestone: ---
            Target: sparc*-sun-solaris2.11

Since 20211130, the gdc.dg/torture/pr96152.d test FAILs on 64-bit SPARC:

FAIL: gdc.dg/torture/pr96152.d   -O0  execution test
FAIL: gdc.dg/torture/pr96152.d   -O0 -frelease  execution test
FAIL: gdc.dg/torture/pr96152.d   -O0 -frelease -g  execution test
FAIL: gdc.dg/torture/pr96152.d   -O0 -g  execution test
FAIL: gdc.dg/torture/pr96152.d   -O1  execution test
FAIL: gdc.dg/torture/pr96152.d   -O1 -frelease  execution test
FAIL: gdc.dg/torture/pr96152.d   -O1 -frelease -g  execution test
FAIL: gdc.dg/torture/pr96152.d   -O1 -g  execution test
FAIL: gdc.dg/torture/pr96152.d   -O2  execution test
FAIL: gdc.dg/torture/pr96152.d   -O2 -frelease  execution test
FAIL: gdc.dg/torture/pr96152.d   -O2 -frelease -g  execution test
FAIL: gdc.dg/torture/pr96152.d   -O2 -g  execution test
FAIL: gdc.dg/torture/pr96152.d   -O3  execution test
FAIL: gdc.dg/torture/pr96152.d   -O3 -frelease  execution test
FAIL: gdc.dg/torture/pr96152.d   -O3 -frelease -g  execution test
FAIL: gdc.dg/torture/pr96152.d   -O3 -g  execution test
FAIL: gdc.dg/torture/pr96152.d   -Os  execution test
FAIL: gdc.dg/torture/pr96152.d   -Os -frelease  execution test
FAIL: gdc.dg/torture/pr96152.d   -Os -frelease -g  execution test
FAIL: gdc.dg/torture/pr96152.d   -Os -g  execution test

Segmentation fault while running unittests:
----------------
/vol/gcc/src/hg/master/local/libphobos/libdruntime/core/runtime.d:572 extern
(C) void core.runtime.runModuleUnitTests().unittestSegvHandler(int,
core.sys.posix.signal.siginfo_t*, void*) [0x10009643b]
??:? __sighndlr [0xffffffff7e8dda27]
/vol/gcc/src/hg/master/local/libphobos/libdruntime/rt/lifetime.d:1121
_d_newitemU [0x1000870d4]
/vol/gcc/src/hg/master/local/libphobos/libdruntime/rt/aaA.d:214 void*
rt.aaA.allocEntry(scope const(rt.aaA.Implconst *), void*) [0x10007b83f]
/vol/gcc/src/hg/master/local/libphobos/libdruntime/rt/aaA.d:767
_d_assocarrayliteralTX [0x10007c82b]
??:? pure @trusted void*
object.aaLiteral!(pr96152.__unittest_L20_C7().ThrowingElement,
int).aaLiteral(pr96152.__unittest_L20_C7().ThrowingElement[], int[])
[0x10007afbb]
??:? pure @safe int[pr96152.__unittest_L20_C7().ThrowingElement]
pr96152.assocArray!(pr96152.__unittest_L20_C7().ThrowingElement[],
int[]).assocArray(pr96152.__unittest_L20_C7().ThrowingElement[], int[])
[0x10007af2f]
??:? @safe void pr96152.__unittest_L20_C7() [0x10007abb7]
??:? void pr96152.__modtest() [0x10007aff3]
/vol/gcc/src/hg/master/local/libphobos/libdruntime/core/runtime.d:641
__foreachbody6 [0x10009624f]
/vol/gcc/src/hg/master/local/libphobos/libdruntime/object.d:2268 __lambda2
[0x10008e8c7]
/vol/gcc/src/hg/master/local/libphobos/libdruntime/rt/minfo.d:777
__foreachbody2 [0x10008a89f]
/vol/gcc/src/hg/master/local/libphobos/libdruntime/gcc/sections/elf.d:106 int
gcc.sections.elf.DSO.opApply(scope int delegate(ref gcc.sections.elf.DSO))
[0x10007efd3]
/vol/gcc/src/hg/master/local/libphobos/libdruntime/rt/minfo.d:770 int
rt.minfo.moduleinfos_apply(scope int delegate(immutable(object.ModuleInfo*)))
[0x10008bcf7]
/vol/gcc/src/hg/master/local/libphobos/libdruntime/object.d:2267 int
object.ModuleInfo.opApply(scope int delegate(object.ModuleInfo*)) [0x10008ffef]
/vol/gcc/src/hg/master/local/libphobos/libdruntime/core/runtime.d:629
runModuleUnitTests [0x100096933]
/vol/gcc/src/hg/master/local/libphobos/libdruntime/rt/dmain2.d:493 runAll
[0x10007e873]
/vol/gcc/src/hg/master/local/libphobos/libdruntime/rt/dmain2.d:467 tryExec
[0x10007eafb]
/vol/gcc/src/hg/master/local/libphobos/libdruntime/rt/dmain2.d:526 _d_run_main2
[0x10007eafb]
/vol/gcc/src/hg/master/local/libphobos/libdruntime/rt/dmain2.d:318 _d_run_main
[0x10007ec4b]
??:? main [0x10007b1cf]
??:? _start [0x10007a90b]

[Bug d/104743] [12 regression] gdc.dg/torture/pr96152.d FAILs

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104743

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P4
   Target Milestone|---                         |12.0

[Bug d/104743] [12 regression] gdc.dg/torture/pr96152.d FAILs

[ibuclaw at gdcproject dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104743

--- Comment #1 from Iain Buclaw <ibuclaw at gdcproject dot org> ---
Does anything change if you compile the test with
`-ftrivial-auto-var-init=zero` ?

[Bug d/104743] [12 regression] gdc.dg/torture/pr96152.d FAILs

[ro at CeBiTec dot Uni-Bielefeld.DE]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104743

--- Comment #2 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> ---
> --- Comment #1 from Iain Buclaw <ibuclaw at gdcproject dot org> ---
> Does anything change if you compile the test with
> `-ftrivial-auto-var-init=zero` ?

No, the test fails just the same.

gdb shows

Thread 2 received signal SIGBUS, Bus error.
[Switching to Thread 1 (LWP 1)]
_d_newitemU (_ti=0xffffffff7f1f3000) at
/vol/gcc/src/hg/master/local/libphobos/libdruntime/rt/lifetime.d:1110
1110            *cast(TypeInfo*)(p + itemSize) = null; // the GC might not have
cleared this area
(gdb) bt
#0  _d_newitemU (_ti=0xffffffff7f1f3000) at
/vol/gcc/src/hg/master/local/libphobos/libdruntime/rt/lifetime.d:1110
#1  0x000000010007bd64 in rt.aaA.allocEntry(scope const(rt.aaA.Impl*), scope
const(void*)) (aa=0xffffffff7f1f2000, pkey=0xffffffff7f1f0000) at
/vol/gcc/src/hg/master/local/libphobos/libdruntime/rt/aaA.d:214
#2  0x000000010007cd14 in _d_assocarrayliteralTX (ti=0x100071db8 <initializer
for TypeInfo_HS7pr9615217__unittest_L20_C7FNfZ15ThrowingElementi>, keys=...,
vals=...) at /vol/gcc/src/hg/master/local/libphobos/libdruntime/rt/aaA.d:767
#3  0x000000010007b57c in
object.aaLiteral!(pr96152.__unittest_L20_C7().ThrowingElement,
int).aaLiteral(pr96152.__unittest_L20_C7().ThrowingElement[], int[]) (keys=...,
values=...) at /vol/gcc/src/hg/master/local/libphobos/libdruntime/object.d:2868
...
1: x/i $pc
=> 0x100087080 <_d_newitemU+100>:       clrx  [ %o0 + %i2 ]
(gdb) p/x $o0 + $i2
$3 = 0xffffffff7f1f0054

i.e. the address isn't properly 8-byte aligned as required on a
strict-alignment target like SPARC.

[Bug d/104743] [12 regression] gdc.dg/torture/pr96152.d FAILs

[ibuclaw at gdcproject dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104743

Iain Buclaw <ibuclaw at gdcproject dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |DUPLICATE

--- Comment #3 from Iain Buclaw <ibuclaw at gdcproject dot org> ---
Confirmed is a duplicate.

*** This bug has been marked as a duplicate of bug 104745 ***