cmd/compile/internal/ssa: TestGeneratedFilesUpToDate failures

[gopherbot]

#!watchflakes
default <- pkg == "cmd/compile/internal/ssa" && test == "TestGeneratedFilesUpToDate"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestGeneratedFilesUpToDate
    generate_test.go:77: /Users/swarming/.swarming/w/ir/x/w/goroot/bin/go run -C /Users/swarming/.swarming/w/ir/x/w/goroot/src/cmd/compile/internal/ssa/_gen 386Ops.go AMD64Ops.go ARM64Ops.go ARMOps.go LOONG64Ops.go MIPS64Ops.go MIPSOps.go PPC64Ops.go RISCV64Ops.go S390XOps.go WasmOps.go allocators.go dec64Ops.go decOps.go divisibleOps.go divmodOps.go genericOps.go main.go multiscanner.go rulegen.go simdAMD64ops.go simdgenericOps.go -outdir /Users/swarming/.swarming/w/ir/x/t/TestGeneratedFilesUpToDate624955392/00
    generate_test.go:125: rewriteAMD64.go is out of date. Please run 'go generate'.
--- FAIL: TestGeneratedFilesUpToDate (14.61s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/compile/internal/ssa" && test == "TestGeneratedFilesUpToDate"

2026-02-28 04:26 gotip-darwin-amd64-longtest go@fea03004 cmd/compile/internal/ssa.TestGeneratedFilesUpToDate (log)

=== RUN   TestGeneratedFilesUpToDate
    generate_test.go:77: /Users/swarming/.swarming/w/ir/x/w/goroot/bin/go run -C /Users/swarming/.swarming/w/ir/x/w/goroot/src/cmd/compile/internal/ssa/_gen 386Ops.go AMD64Ops.go ARM64Ops.go ARMOps.go LOONG64Ops.go MIPS64Ops.go MIPSOps.go PPC64Ops.go RISCV64Ops.go S390XOps.go WasmOps.go allocators.go dec64Ops.go decOps.go divisibleOps.go divmodOps.go genericOps.go main.go multiscanner.go rulegen.go simdAMD64ops.go simdgenericOps.go -outdir /Users/swarming/.swarming/w/ir/x/t/TestGeneratedFilesUpToDate624955392/00
    generate_test.go:125: rewriteAMD64.go is out of date. Please run 'go generate'.
--- FAIL: TestGeneratedFilesUpToDate (14.61s)

— watchflakes

[mknyszek]

This seems like file corruption on Darwin. Might be useful to print the diff to confirm. It only happened once so I'll put this in WaitingForInfo.

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/compile/internal/ssa" && test == "TestGeneratedFilesUpToDate"

2026-03-11 20:44 gotip-darwin-amd64-nocgo go@3d7681eb cmd/compile/internal/ssa.TestGeneratedFilesUpToDate (log)

=== RUN   TestGeneratedFilesUpToDate
    generate_test.go:77: /Users/swarming/.swarming/w/ir/x/w/goroot/bin/go run -C /Users/swarming/.swarming/w/ir/x/w/goroot/src/cmd/compile/internal/ssa/_gen 386Ops.go AMD64Ops.go ARM64Ops.go ARMOps.go LOONG64Ops.go MIPS64Ops.go MIPSOps.go PPC64Ops.go RISCV64Ops.go S390XOps.go WasmOps.go allocators.go dec64Ops.go decOps.go divisibleOps.go divmodOps.go genericOps.go main.go multiscanner.go rulegen.go simdAMD64ops.go simdgenericOps.go -outdir /Users/swarming/.swarming/w/ir/x/t/TestGeneratedFilesUpToDate4186825376/00
    generate_test.go:125: rewriteMIPS64.go is out of date. Please run 'go generate'.
--- FAIL: TestGeneratedFilesUpToDate (20.91s)

— watchflakes