math: TestCompare failures

[gopherbot]

#!watchflakes
post <- pkg == "math" && test == "TestCompare"

Issue created automatically to collect these failures.

Example (log):

--- FAIL: TestCompare (0.00s)
    all_test.go:2296: Compare(NaN, -Inf) = 1, want -1
    all_test.go:2296: Compare(-Inf, NaN) = -1, want 1
    all_test.go:2302: Compare32(NaN, -Inf) = 1, want -1
    all_test.go:2302: Compare32(-Inf, NaN) = -1, want 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "math" && test == "TestCompare"

2023-02-09 21:14 linux-mips-rtrk go@a4d5fbc3 math.TestCompare (log)

--- FAIL: TestCompare (0.00s)
    all_test.go:2296: Compare(NaN, -Inf) = 1, want -1
    all_test.go:2296: Compare(-Inf, NaN) = -1, want 1
    all_test.go:2302: Compare32(NaN, -Inf) = 1, want -1
    all_test.go:2302: Compare32(-Inf, NaN) = -1, want 1

2023-02-09 23:41 linux-mips-rtrk go@fb79da29 math.TestCompare (log)

--- FAIL: TestCompare (0.00s)
    all_test.go:2296: Compare(NaN, -Inf) = 1, want -1
    all_test.go:2296: Compare(-Inf, NaN) = -1, want 1
    all_test.go:2302: Compare32(NaN, -Inf) = 1, want -1
    all_test.go:2302: Compare32(-Inf, NaN) = -1, want 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "math" && test == "TestCompare"

2023-02-09 21:14 linux-mips64le-rtrk go@a4d5fbc3 math.TestCompare (log)

--- FAIL: TestCompare (0.00s)
    all_test.go:2296: Compare(NaN, -Inf) = 1, want -1
    all_test.go:2296: Compare(-Inf, NaN) = -1, want 1
    all_test.go:2302: Compare32(NaN, -Inf) = 1, want -1
    all_test.go:2302: Compare32(-Inf, NaN) = -1, want 1

2023-02-09 23:41 linux-mips64le-rtrk go@fb79da29 math.TestCompare (log)

--- FAIL: TestCompare (0.00s)
    all_test.go:2296: Compare(NaN, -Inf) = 1, want -1
    all_test.go:2296: Compare(-Inf, NaN) = -1, want 1
    all_test.go:2302: Compare32(NaN, -Inf) = 1, want -1
    all_test.go:2302: Compare32(-Inf, NaN) = -1, want 1

2023-02-10 16:53 linux-mips64le-rtrk go@2b807e1d math.TestCompare (log)

--- FAIL: TestCompare (0.00s)
    all_test.go:2296: Compare(NaN, -Inf) = 1, want -1
    all_test.go:2296: Compare(-Inf, NaN) = -1, want 1
    all_test.go:2302: Compare32(NaN, -Inf) = 1, want -1
    all_test.go:2302: Compare32(-Inf, NaN) = -1, want 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "math" && test == "TestCompare"

2023-02-09 21:14 linux-mips64-rtrk go@a4d5fbc3 math.TestCompare (log)

--- FAIL: TestCompare (0.00s)
    all_test.go:2296: Compare(NaN, -Inf) = 1, want -1
    all_test.go:2296: Compare(-Inf, NaN) = -1, want 1
    all_test.go:2302: Compare32(NaN, -Inf) = 1, want -1
    all_test.go:2302: Compare32(-Inf, NaN) = -1, want 1

2023-02-09 23:41 linux-mips64-rtrk go@fb79da29 math.TestCompare (log)

--- FAIL: TestCompare (0.00s)
    all_test.go:2296: Compare(NaN, -Inf) = 1, want -1
    all_test.go:2296: Compare(-Inf, NaN) = -1, want 1
    all_test.go:2302: Compare32(NaN, -Inf) = 1, want -1
    all_test.go:2302: Compare32(-Inf, NaN) = -1, want 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "math" && test == "TestCompare"

2023-02-09 21:14 linux-mipsle-rtrk go@a4d5fbc3 math.TestCompare (log)

--- FAIL: TestCompare (0.00s)
    all_test.go:2296: Compare(NaN, -Inf) = 1, want -1
    all_test.go:2296: Compare(-Inf, NaN) = -1, want 1
    all_test.go:2302: Compare32(NaN, -Inf) = 1, want -1
    all_test.go:2302: Compare32(-Inf, NaN) = -1, want 1

2023-02-09 23:41 linux-mipsle-rtrk go@fb79da29 math.TestCompare (log)

--- FAIL: TestCompare (0.00s)
    all_test.go:2296: Compare(NaN, -Inf) = 1, want -1
    all_test.go:2296: Compare(-Inf, NaN) = -1, want 1
    all_test.go:2302: Compare32(NaN, -Inf) = 1, want -1
    all_test.go:2302: Compare32(-Inf, NaN) = -1, want 1

2023-02-10 15:04 linux-mipsle-rtrk go@79e01ab7 math.TestCompare (log)

--- FAIL: TestCompare (0.00s)
    all_test.go:2296: Compare(NaN, -Inf) = 1, want -1
    all_test.go:2296: Compare(-Inf, NaN) = -1, want 1
    all_test.go:2302: Compare32(NaN, -Inf) = 1, want -1
    all_test.go:2302: Compare32(-Inf, NaN) = -1, want 1

— watchflakes

[smasher164]

The change that caused this test failure was reverted in https://go-review.googlesource.com/c/go/+/467255

Discussion on addressing the cause is happening in #56491