cmd/compile: internal compiler errors in test flakes

[rsc]

#!watchflakes
default <- `: internal compiler error:` && date < "2023-07-25"

This issue collects build dashboard flakes due to internal compiler errors.

[gopherbot]

Found new matching flaky dashboard failures for:

#!watchflakes
post <- `: internal compiler error:`

2022-08-31 21:10 linux-ppc64-sid-buildlet go@52d9e7f5 flag (log)

go/src/flag/flag.go:213:44: internal compiler error: '(*uintValue).Get': panic during regalloc while compiling (*uintValue).Get:

runtime error: index out of range [-1]

goroutine 144 [running]:
cmd/compile/internal/ssa.Compile.func1()
	/workdir/go/src/cmd/compile/internal/ssa/compile.go:50 +0x7c
panic({0x8dda80, 0xc0006a92f0})
	/workdir/go/src/runtime/panic.go:884 +0x244
cmd/compile/internal/ssa.(*sparseMap).set(...)
...
cmd/compile/internal/ssagen.buildssa(0xc00042fa40, 0x1)
	/workdir/go/src/cmd/compile/internal/ssagen/ssa.go:574 +0x1dbc
cmd/compile/internal/ssagen.Compile(0xc00042fa40, 0x0?)
	/workdir/go/src/cmd/compile/internal/ssagen/pgen.go:187 +0x48
cmd/compile/internal/gc.compileFunctions.func4.1(0x0?)
	/workdir/go/src/cmd/compile/internal/gc/compile.go:153 +0x4c
cmd/compile/internal/gc.compileFunctions.func3.1()
	/workdir/go/src/cmd/compile/internal/gc/compile.go:140 +0x54
created by cmd/compile/internal/gc.compileFunctions.func3
	/workdir/go/src/cmd/compile/internal/gc/compile.go:138 +0x8c

— watchflakes

[bcmills]

2022-08-31 21:10 linux-ppc64-sid-buildlet go@52d9e7f5

That particular crash bears a strong resemblance to #54906.

[prattmic]

#55257 (comment) is #54906, closing.

Watchflakes will reopen with new default matching crashes.

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- `: internal compiler error:`

2022-12-06 15:30 openbsd-amd64-68 oauth2@b177c21a go@a5a47442 go/parser [build] (log)

/tmp/workdir/go/src/go/parser/resolver.go:590:13: internal compiler error: '(*resolver).walkFieldList': panic during decompose builtin while compiling (*resolver).walkFieldList:

runtime error: invalid memory address or nil pointer dereference

goroutine 193 [running]:
cmd/compile/internal/ssa.Compile.func1()
	/tmp/workdir/go/src/cmd/compile/internal/ssa/compile.go:49 +0x71
panic({0xd3f8c0, 0x13eb650})
	/tmp/workdir/go/src/runtime/panic.go:884 +0x213
cmd/compile/internal/ssa.deleteNamedVals(0xc002f04e00, {0x0, 0x0, 0x0})
...
cmd/compile/internal/ssagen.buildssa(0xc000f17a40, 0x3)
	/tmp/workdir/go/src/cmd/compile/internal/ssagen/ssa.go:572 +0x2027
cmd/compile/internal/ssagen.Compile(0xc000f17a40, 0x0?)
	/tmp/workdir/go/src/cmd/compile/internal/ssagen/pgen.go:185 +0x4c
cmd/compile/internal/gc.compileFunctions.func5.1(0x0?)
	/tmp/workdir/go/src/cmd/compile/internal/gc/compile.go:171 +0x3a
cmd/compile/internal/gc.compileFunctions.func3.1()
	/tmp/workdir/go/src/cmd/compile/internal/gc/compile.go:153 +0x32
created by cmd/compile/internal/gc.compileFunctions.func3
	/tmp/workdir/go/src/cmd/compile/internal/gc/compile.go:152 +0x245

— watchflakes