https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114582
Bug ID: 114582
Summary: go.test/test/fixedbugs/issue34123.go FAILs
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: go
Assignee: ian at airs dot com
Reporter: ro at gcc dot gnu.org
Target Milestone: ---
Target: sparc-sun-solaris2.11
The go.test/test/fixedbugs/issue34123.go test FAILs on 32-bit Solaris/SPARC
since it was introduced:
FAIL: go.test/test/fixedbugs/issue34123.go execution, -O2 -g
SIGABRT: abort
PC=0xfd799dc4 m=5 sigcode=4294967295
goroutine 1 [running]:
__lwp_sigqueue
:0
As with PR go/114581, under gdb the code path is different:
Thread 5 received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1 (LWP 1)]
0x00013a8c in main.f ()
at
/vol/gcc/src/hg/master/local/gcc/testsuite/go.test/test/fixedbugs/issue34123.go:24
24 *q = 12 // line 24
(gdb) bt
#0 0x00013a8c in main.f ()
at
/vol/gcc/src/hg/master/local/gcc/testsuite/go.test/test/fixedbugs/issue34123.go:24
#1 0x00013adc in main.main ()
at
/vol/gcc/src/hg/master/local/gcc/testsuite/go.test/test/fixedbugs/issue34123.go:42
(gdb) p q
$1 = (uint8 *) 0x0
(gdb) cont
Continuing.
SIGSEGV: segmentation violation
PC=0x13600 m=0 sigcode=0
goroutine 1 [running]:
main.f
/vol/gcc/src/hg/master/local/gcc/testsuite/go.test/test/fixedbugs/issue34123.go:24
main.main
/vol/gcc/src/hg/master/local/gcc/testsuite/go.test/test/fixedbugs/issue34123.go:42
This could well be a gdb issue, however: dbx behaves differently:
t@1 (l@1) signal SEGV (no mapping at the fault address) in main.f at 0x13600
0x00013600: f+0x000c: stb %g2, [%g1]
(dbx) cont -sig SEGV
t@1 (l@1) signal ABRT (Abort) in __lwp_sigqueue at 0xfd799dc4
0xfd799dc4: __lwp_sigqueue+0x0008: bcc,a,pt %icc,__lwp_sigqueue+0x18
! 0xfd799dd4
(dbx) where
current thread: t@1
=>[1] __lwp_sigqueue(0x0, 0x1, 0x6, 0x0, 0xffffffffffffffff, 0x0), at
0xfd799dc4
[2] raise(0x6, 0x6, 0x5, 0x0, 0x0, 0x0), at 0xfd6d7570
[3] abort(0xfe362cd4, 0xfd7ec000, 0x64cae8, 0x474f0000, 0x41c180, 0x64d01c),
at 0xfd6a87b8
---- hidden frames, use 'where -h' to see them all ----
[6] throwException(0x400500, 0x0, 0x7, 0xff1e5950, 0xfe0e0758, 0xff1e0318),
at 0xfe363748
[7] gopanic(0x64d54c, 0x1, 0x696020, 0xfeec51f0, 0x400500, 0x64de48), at
0xfe9252e0
[8] panicmem(0xb, 0x64d8d0, 0x0, 0x0, 0xff, 0x64d6a0), at 0xfe9036fc
[9] sigpanic(0x0, 0x64d8d0, 0x0, 0x0, 0x0, 0x400500), at 0xfe90708c
[10] sigtrampgo(0xb, 0x64dd60, 0x64da80, 0x88, 0x64d8d0, 0x400500), at
0xfe91a46c
[11] __sighndlr(0xb, 0x64dd60, 0x64da80, 0xfe362cd4, 0x0, 0x1), at 0xfd794ee0
---- called from signal handler with signal 11 (SIGSEGV) ------
[12] main.f(0x64de48, 0x64de46, 0x13a30, 0x64de47, 0x6b20c0, 0x400500), at
0x13600
[13] main.main(0x418128, 0xfeec51f0, 0x418130, 0x400500, 0x64de60, 0x400500),
at 0x13ce0
[14] main(0xfeec0fcc, 0xfeec1b48, 0x40a138, 0x418440, 0x64dee2, 0xfe92a8e0),
at 0xfe92e7f8
[15] kickoff(0x0, 0x4007c8, 0xfe92952c, 0x0, 0x4007a4, 0x400500), at
0xfe925834
