x/tools/internal/gcimporter: unrecognized failures

[gopherbot]

#!watchflakes
default <- pkg == "golang.org/x/tools/internal/gcimporter" && test == ""

Issue created automatically to collect these failures.

Example (log):

SIGQUIT: quit
PC=0x875bc m=0 sigcode=0

goroutine 2 [running]:
	goroutine running on other thread; stack unavailable
created by runtime.init.5 in goroutine 1
	/workdir/go/src/runtime/proc.go:314 +0x2c

goroutine 3 [running]:
	goroutine running on other thread; stack unavailable
...
r20  0xaa	r21  0x5846e0
r22  0x7fffe31f23a0	r23  0xc000d42b10
r24  0xc000771930	r25  0xc000771908
r26  0xc003100c39	r27  0xc003100c35
r28  0x0	r29  0xc000032e98
r30  0x583aa0	r31  0x1c2b0
pc   0x875bc	ctr  0x0
link 0x48bd0	xer  0x0
ccr  0x34448024	trap 0xc00
*** Test killed with quit: ran too long (22m0s).

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/tools/internal/gcimporter" && test == ""

2023-11-10 13:59 linux-ppc64le-power10osu tools@92a8009c go@abf84221 x/tools/internal/gcimporter (log)

SIGQUIT: quit
PC=0x875bc m=0 sigcode=0

goroutine 2 [running]:
	goroutine running on other thread; stack unavailable
created by runtime.init.5 in goroutine 1
	/workdir/go/src/runtime/proc.go:314 +0x2c

goroutine 3 [running]:
	goroutine running on other thread; stack unavailable
...
r20  0xaa	r21  0x5846e0
r22  0x7fffe31f23a0	r23  0xc000d42b10
r24  0xc000771930	r25  0xc000771908
r26  0xc003100c39	r27  0xc003100c35
r28  0x0	r29  0xc000032e98
r30  0x583aa0	r31  0x1c2b0
pc   0x875bc	ctr  0x0
link 0x48bd0	xer  0x0
ccr  0x34448024	trap 0xc00
*** Test killed with quit: ran too long (22m0s).

— watchflakes

[bcmills]

Duplicate of #64062