cmd/compile: PGO crashes with '-d pgoinline=2' #58437
Description
What version of Go are you using (go version)?
$ go version go version devel go1.21-8fb9565832 Thu Feb 9 01:06:51 2023 +0000 linux/amd64
Does this issue reproduce with the latest release?
Yes.
What operating system and processor architecture are you using (go env)?
go env Output
$ go env GO111MODULE="auto" GOARCH="amd64" GOBIN="" GOEXE="" GOEXPERIMENT="" GOFLAGS="" GOHOSTARCH="amd64" GOHOSTOS="linux" GOOS="linux" GOVCS="" GOVERSION="devel go1.21-8fb9565832 Thu Feb 9 01:06:51 2023 +0000" GOAMD64="v1" AR="ar" CC="gcc" CXX="g++" CGO_ENABLED="1" GOWORK="" CGO_CFLAGS="-O2 -g" CGO_CPPFLAGS="" CGO_CXXFLAGS="-O2 -g" CGO_FFLAGS="-O2 -g" CGO_LDFLAGS="-O2 -g"
What did you do?
% cd <goroot>/src/time
% go test -run=^$ -bench=. -cpuprofile cpu.out
% go test -run=^$ -bench=. -pgo cpu.out -gcflags=all='-d pgoinline=2'
What did you expect to see?
What did you see instead?
hot-budget check allows inlining for call runtime.cleantimers at ../runtime/time.go:279:13
hot-budget check allows inlining for call runtime.doaddtimer at ../runtime/time.go:280:12
hot-budget check allows inlining for call runtime.wakeNetPoller at ../runtime/time.go:283:15
../runtime/alg.go:44:5: internal compiler error: panic: runtime error: index out of range [2] with length 2