SIGSEGV when testing, version bdfc3faa253a

[cldorian]

Before filing a bug, please check whether it has been fixed since
the latest release: run "hg pull -u" and retry what you did to
reproduce the problem.  Thanks.

What steps will reproduce the problem?
1. hg pull -u
2. ./all.bash

What is the expected output? What do you see instead?
Expected:
--- cd ../test
N known bugs; 0 unexpected bugs

Saw:
...
cd testing/quick && gomake test
make[1]: Entering directory `/home/charles/go/src/pkg/testing/quick'
gotest
make[2]: Entering directory `/home/charles/go/src/pkg/testing/quick'
rm -f _test/testing/quick.a _gotest_.8
make[2]: Leaving directory `/home/charles/go/src/pkg/testing/quick'
make[2]: Entering directory `/home/charles/go/src/pkg/testing/quick'
8g -o _gotest_.8 quick.go    quick_test.go
rm -f _test/testing/quick.a
gopack grc _test/testing/quick.a _gotest_.8 
make[2]: Leaving directory `/home/charles/go/src/pkg/testing/quick'
SIGSEGV: segmentation violation
Faulting address: 0x0
PC=0x0

hash_insert+0x31 /home/charles/go/src/pkg/runtime/hashmap.c:460
    hash_insert(0x40110320, 0x40112000, 0x400714ec, 0x809af24)
mapassign+0x5d /home/charles/go/src/pkg/runtime/hashmap.c:821
    mapassign(0x40110320, 0x40112000, 0x40040a98, 0x400468c0)
reflect·mapassign+0x36 /home/charles/go/src/pkg/runtime/reflect.c:24
    reflect·mapassign(0x40110320, 0x40112000, 0x40040a98, 0x809dcc8)
reflect·*MapValue·SetElem+0x150 /home/charles/go/src/pkg/reflect/value.go:1013
    reflect·*MapValue·SetElem(0x401116f0, 0x4006e4b0, 0x4006bcb0, 0x4006e4b0,
0x4006bc90, ...)
quick·Value+0xd7c /home/charles/go/src/pkg/testing/quick/quick.go:92
    quick·Value(0x400468c0, 0x809d520, 0x4010e138, 0x0, 0x0, ...)
quick·arbitraryValues+0xb1 /home/charles/go/src/pkg/testing/quick/quick.go:330
    quick·arbitraryValues(0x4010e130, 0x1, 0x1, 0x8099720, 0x80b90b0, ...)
quick·CheckEqual+0x219 /home/charles/go/src/pkg/testing/quick/quick.go:303
    quick·CheckEqual(0x8099718, 0x804ae04, 0x8099718, 0x804ae04, 0x80b90b0, ...)
quick·TestCheckEqual+0x673
/home/charles/go/src/pkg/testing/quick/quick_test.go:82
    quick·TestCheckEqual(0x4006b730, 0x0)
testing·tRunner+0x2c /home/charles/go/src/pkg/testing/testing.go:132
    testing·tRunner(0x4006b730, 0x80aab20, 0x0)
goexit /home/charles/go/src/pkg/runtime/proc.c:135
    goexit()
0x4006b730 unknown pc

goroutine 1 [4]:
gosched+0x48 /home/charles/go/src/pkg/runtime/proc.c:521
    gosched()
chanrecv+0x2e1 /home/charles/go/src/pkg/runtime/chan.c:319
    chanrecv(0x400465c0, 0x40070eb0, 0x0, 0x400720d8)
runtime·chanrecv1+0x4e /home/charles/go/src/pkg/runtime/chan.c:415
    runtime·chanrecv1(0x400465c0, 0x80aab20)
testing·Main+0x27b /home/charles/go/src/pkg/testing/testing.go:159
    testing·Main(0x80aab20, 0x3)
main·main+0x29 /home/charles/go/src/pkg/testing/quick/_testmain.go:16
    main·main()
mainstart+0xf /home/charles/go/src/pkg/runtime/386/asm.s:81
    mainstart()
goexit /home/charles/go/src/pkg/runtime/proc.c:135
    goexit()
eax     0x0
ebx     0x40110320
ecx     0x40112000
edx     0x40110320
edi     0x4
esi     0x40071494
ebp     0x40112000
esp     0x400714a4
eip     0x0
eflags  0x10212
cs      0x73
fs      0x0
gs      0x3f
/home/charles/bin/gotest: line 164: 13958 Trace/breakpoint trap   $E
./$O.out "$@"
make[1]: *** [test] Error 133
make[1]: Leaving directory `/home/charles/go/src/pkg/testing/quick'
make: *** [testing/quick.test] Error 2


What is your $GOOS?  $GOARCH?
linux, 386

Which revision are you using?  (hg identify)
bdfc3faa253a tip

Please provide any additional information below.
To be sure, deleted current go install, re-installed go, ran ./all.bash,
got expected output.  Then ran hg pull -u and ./all.bash to yield SIGSEGV
as above.  Linux version is: 2.6.31-16-generic #52-Ubuntu

[cldorian]

Comment 1:

Fixed by revision c04006fe887b tip.  Thanks.

[rsc]

Comment 2:

Owner changed to [email protected].

Status changed to Fixed.