cmd/internal/bootstrap_test: TestRepeatBootstrap failures

[gopherbot]

#!watchflakes
default <- pkg == "cmd/internal/bootstrap_test" && test == "TestRepeatBootstrap"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestRepeatBootstrap
    reboot_test.go:59: GOROOT overlay set up in 8.441881598s
Building Go cmd/dist using /Users/swarming/.swarming/w/ir/x/w/goroot. (go1.23.4-devel_bb8230f80535945648e8b56739ad450cf433eba9 darwin/amd64)
Building Go toolchain1 using /Users/swarming/.swarming/w/ir/x/w/goroot.
Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1.
Building Go toolchain2 using go_bootstrap and Go toolchain1.
Building Go toolchain3 using go_bootstrap and Go toolchain2.
# internal/bisect
runtime: newstack sp=0xc000a3cffe stack=[0xc000a44000, 0xc000a4c000]
	morebuf={pc:0x0 sp:0xc000a3d00e lr:0x0}
...
fatal error: runtime: split stack overflow

runtime stack:
runtime.throw({0xadd9f61?, 0x70000b496e60?})
	runtime/panic.go:1067 +0x48 fp=0x70000b496e18 sp=0x70000b496de8 pc=0xa5482a8
runtime.newstack()
	runtime/stack.go:1061 +0x74d fp=0x70000b496f58 sp=0x70000b496e18 pc=0xa52b34d
runtime.morestack()
	runtime/asm_amd64.s:621 +0x7a fp=0x70000b496f60 sp=0x70000b496f58 pc=0xa54e83a

...
	cmd/compile/internal/gc/compile.go:188 +0x38 fp=0xc002e79fb0 sp=0xc002e79f70 pc=0xa385d98
cmd/compile/internal/gc.compileFunctions.func3.1()
	cmd/compile/internal/gc/compile.go:170 +0x30 fp=0xc002e79fe0 sp=0xc002e79fb0 pc=0xa386190
runtime.goexit({})
	runtime/asm_amd64.s:1700 +0x1 fp=0xc002e79fe8 sp=0xc002e79fe0 pc=0x9b46581
created by cmd/compile/internal/gc.compileFunctions.func3 in goroutine 3
	cmd/compile/internal/gc/compile.go:169 +0x247
go tool dist: FAILED: /Users/swarming/.swarming/w/ir/x/t/TestRepeatBootstrap2135723931/001/goroot/pkg/tool/darwin_amd64/go_bootstrap install -a cmd/asm cmd/cgo cmd/compile cmd/link cmd/preprofile: exit status 1
    reboot_test.go:82: exit status 2
--- FAIL: TestRepeatBootstrap (412.72s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/bootstrap_test" && test == "TestRepeatBootstrap"

2025-01-16 19:00 go1.23-darwin-amd64-longtest release-branch.go1.23@bb8230f8 cmd/internal/bootstrap_test.TestRepeatBootstrap (log)

=== RUN   TestRepeatBootstrap
    reboot_test.go:59: GOROOT overlay set up in 8.441881598s
Building Go cmd/dist using /Users/swarming/.swarming/w/ir/x/w/goroot. (go1.23.4-devel_bb8230f80535945648e8b56739ad450cf433eba9 darwin/amd64)
Building Go toolchain1 using /Users/swarming/.swarming/w/ir/x/w/goroot.
Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1.
Building Go toolchain2 using go_bootstrap and Go toolchain1.
Building Go toolchain3 using go_bootstrap and Go toolchain2.
# internal/bisect
runtime: newstack sp=0xc000a3cffe stack=[0xc000a44000, 0xc000a4c000]
	morebuf={pc:0x0 sp:0xc000a3d00e lr:0x0}
...
fatal error: runtime: split stack overflow

runtime stack:
runtime.throw({0xadd9f61?, 0x70000b496e60?})
	runtime/panic.go:1067 +0x48 fp=0x70000b496e18 sp=0x70000b496de8 pc=0xa5482a8
runtime.newstack()
	runtime/stack.go:1061 +0x74d fp=0x70000b496f58 sp=0x70000b496e18 pc=0xa52b34d
runtime.morestack()
	runtime/asm_amd64.s:621 +0x7a fp=0x70000b496f60 sp=0x70000b496f58 pc=0xa54e83a

...
	cmd/compile/internal/gc/compile.go:188 +0x38 fp=0xc002e79fb0 sp=0xc002e79f70 pc=0xa385d98
cmd/compile/internal/gc.compileFunctions.func3.1()
	cmd/compile/internal/gc/compile.go:170 +0x30 fp=0xc002e79fe0 sp=0xc002e79fb0 pc=0xa386190
runtime.goexit({})
	runtime/asm_amd64.s:1700 +0x1 fp=0xc002e79fe8 sp=0xc002e79fe0 pc=0x9b46581
created by cmd/compile/internal/gc.compileFunctions.func3 in goroutine 3
	cmd/compile/internal/gc/compile.go:169 +0x247
go tool dist: FAILED: /Users/swarming/.swarming/w/ir/x/t/TestRepeatBootstrap2135723931/001/goroot/pkg/tool/darwin_amd64/go_bootstrap install -a cmd/asm cmd/cgo cmd/compile cmd/link cmd/preprofile: exit status 1
    reboot_test.go:82: exit status 2
--- FAIL: TestRepeatBootstrap (412.72s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/bootstrap_test" && test == "TestRepeatBootstrap"

2025-02-27 11:47 gotip-darwin-amd64-longtest go@37e9c5ea cmd/internal/bootstrap_test.TestRepeatBootstrap (log)

=== RUN   TestRepeatBootstrap
    reboot_test.go:59: GOROOT overlay set up in 13.438865274s
Building Go cmd/dist using /Users/swarming/.swarming/w/ir/x/w/goroot. (devel 37e9c5eaba30db61823643e761b31cdae8cc1854 darwin/amd64)
Building Go toolchain1 using /Users/swarming/.swarming/w/ir/x/w/goroot.
Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1.
Building Go toolchain2 using go_bootstrap and Go toolchain1.
Building Go toolchain3 using go_bootstrap and Go toolchain2.
Building packages and commands for darwin/amd64.
# cmd/compile/internal/ssa [cmd/compile]
unexpected fault address 0xb01dfacedebac1e
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x1 addr=0xb01dfacedebac1e pc=0xd2bb8ec]

goroutine 1 gp=0xc000002380 m=2 mp=0xc000060808 [running]:
runtime.throw({0xda36a2a?, 0xc001eb66f0?})
	runtime/panic.go:1089 +0x48 fp=0xc019248cf0 sp=0xc019248cc0 pc=0xd105dc8
runtime.sigpanic()
	runtime/signal_unix.go:939 +0x26a fp=0xc019248d50 sp=0xc019248cf0 pc=0xd10794a
cmd/compile/internal/ir.(*bottomUpVisitor).visit.func2({0xdcccff1, 0xc013244e60})
	cmd/compile/internal/ir/scc.go:85 +0x2c fp=0xc019248d80 sp=0xc019248d50 pc=0xd2bb8ec
...
	runtime/mgc.go:1431 +0xe9 fp=0xc00005d7c8 sp=0xc00005d738 pc=0xd0a74e9
runtime.gcBgMarkStartWorkers.gowrap1()
	runtime/mgc.go:1347 +0x25 fp=0xc00005d7e0 sp=0xc00005d7c8 pc=0xd0a73c5
runtime.goexit({})
	runtime/asm_amd64.s:1692 +0x1 fp=0xc00005d7e8 sp=0xc00005d7e0 pc=0xd10dc21
created by runtime.gcBgMarkStartWorkers in goroutine 14
	runtime/mgc.go:1347 +0x105
go tool dist: FAILED: /Users/swarming/.swarming/w/ir/x/t/TestRepeatBootstrap2434332438/001/goroot/pkg/tool/darwin_amd64/go_bootstrap install cmd: exit status 1
    reboot_test.go:82: exit status 2
--- FAIL: TestRepeatBootstrap (463.86s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/bootstrap_test" && test == "TestRepeatBootstrap"

2025-03-13 15:02 gotip-linux-arm64-longtest go@12ea4f77 cmd/internal/bootstrap_test.TestRepeatBootstrap (log)

=== RUN   TestRepeatBootstrap
    reboot_test.go:59: GOROOT overlay set up in 521.735728ms
Building Go cmd/dist using /home/swarming/.swarming/w/ir/x/w/goroot. (devel 12ea4f7785f27c322a657aa1ead7efc692a351dd linux/arm64)
Building Go toolchain1 using /home/swarming/.swarming/w/ir/x/w/goroot.
Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1.
Building Go toolchain2 using go_bootstrap and Go toolchain1.
Building Go toolchain3 using go_bootstrap and Go toolchain2.
Building packages and commands for linux/arm64.
go tool dist: FAILED: /home/swarming/.swarming/w/ir/x/t/TestRepeatBootstrap1440542328/001/goroot/bin/go list -f={{if .Stale}}	STALE {{.ImportPath}}: {{.StaleReason}}{{end}} cmd: exit status 1
package cmd/vendor/golang.org/x/tools/go/analysis/passes/cgocall is not in std (/home/swarming/.swarming/w/ir/x/t/TestRepeatBootstrap1440542328/001/goroot/src/cmd/vendor/golang.org/x/tools/go/analysis/passes/cgocall)

    reboot_test.go:82: exit status 2
--- FAIL: TestRepeatBootstrap (169.81s)

— watchflakes