x/tools: Windows build OOM crash

[gopherbot]

#!watchflakes
default <- pkg == "golang.org/x/tools/go/callgraph/vta" && test == "" && goos == "windows"

Issue created automatically to collect these failures.

Example (log):

PASS
ok  	golang.org/x/tools/go/callgraph/vta	14.936s

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/tools/go/callgraph/vta" && test == ""

2024-11-22 23:40 x_tools-gotip-windows-arm64 tools@51e54e89 go@c1a0ee37 x/tools/go/callgraph/vta [ABORT] (log)

PASS
ok  	golang.org/x/tools/go/callgraph/vta	14.936s

— watchflakes

[adonovan]

The Windows build ran out of memory and go test crashed (see #70558), but the real problem is likely that our tests (VTA, SSA, etc) use too much memory.