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[Bug go/66368] [5 Regression] go tool crashes on powerpc-linux-gnu


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66368

--- Comment #5 from Matthias Klose <doko at gcc dot gnu.org> ---
building trunk libgo with -fstack-protector-strong yields:

$ go version
fatal error: unexpected signal during runtime execution
[signal 0xb code=0x1 addr=0x3]

goroutine 16 [running]:

        :0

        :0

        :0

        :0
[...]

building libgo and libbacktrace with -fstack-protector-strong yields:

fatal error: unexpected signal during runtime execution
[signal 0xb code=0x1 addr=0x3]

goroutine 16 [running]:
runtime_dopanic
        ../../../src/libgo/runtime/panic.c:131
runtime_throw
        ../../../src/libgo/runtime/panic.c:193
sig_panic_leadin
        ../../../src/libgo/runtime/go-signal.c:247
sig_panic_info_handler
        ../../../src/libgo/runtime/go-signal.c:281

        :0
__go_go
        ../../../src/libgo/runtime/proc.c:2328
runtime_main
        ../../../src/libgo/runtime/proc.c:598

goroutine 0 [idle]:
panic during panic
goroutine 0 [idle]:
runtime_dopanic
        ../../../src/libgo/runtime/panic.c:131
runtime_startpanic
        ../../../src/libgo/runtime/panic.c:100
runtime_throw
        ../../../src/libgo/runtime/panic.c:191
runtime_gogo
        ../../../src/libgo/runtime/proc.c:251
runtime_tracebackothers
        ../../../src/libgo/runtime/proc.c:767
runtime_dopanic
        ../../../src/libgo/runtime/panic.c:139
runtime_throw
        ../../../src/libgo/runtime/panic.c:193
sig_panic_leadin
        ../../../src/libgo/runtime/go-signal.c:247
sig_panic_info_handler
        ../../../src/libgo/runtime/go-signal.c:281

        :0
__go_go
        ../../../src/libgo/runtime/proc.c:2328
runtime_main
        ../../../src/libgo/runtime/proc.c:598


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