cmd/compile/internal/syntax: replace inlined statement lists with syntax.BlockStmt
This simplifies the code and removes a premature optimization.
It increases the amount of allocated syntax.Node space by ~0.4%
for parsing all of std lib, which is negligible.
Before the change (best of 5 runs):
$ go test -run StdLib -fast
parsed
1517022 lines (3394 files) in 793.487886ms (
1911840 lines/s)
allocated 387.086Mb (267B/line, 487.828Mb/s)
After the change (best of 5 runs):
$ go test -run StdLib -fast
parsed
1516911 lines (3392 files) in 805.028655ms (
1884294 lines/s)
allocated 388.466Mb (268B/line, 482.549Mb/s)
Change-Id: Id19d6210fdc62393862ba3b04913352d95c599be
Reviewed-on: https://go-review.googlesource.com/38439
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>