From b60a3a8cfbc6096babe72ebcee0733bba496cf9a Mon Sep 17 00:00:00 2001 From: Keith Randall Date: Fri, 5 Mar 2021 09:49:28 -0800 Subject: cmd/compile: add debugging mode for import/export Just add a simple magic number with each op, to detect when the reader gets desynchronized from the writer. Change-Id: Iac7dab7f465b0021b1d7ae31c8f8a353ac3663a2 Reviewed-on: https://go-review.googlesource.com/c/go/+/299769 Trust: Keith Randall Run-TryBot: Keith Randall TryBot-Result: Go Bot Reviewed-by: Dan Scales --- src/cmd/compile/internal/typecheck/iimport.go | 3 +++ 1 file changed, 3 insertions(+) (limited to 'src/cmd/compile/internal/typecheck/iimport.go') diff --git a/src/cmd/compile/internal/typecheck/iimport.go b/src/cmd/compile/internal/typecheck/iimport.go index 8df75b2285..d7c118b631 100644 --- a/src/cmd/compile/internal/typecheck/iimport.go +++ b/src/cmd/compile/internal/typecheck/iimport.go @@ -1228,6 +1228,9 @@ func (r *importReader) node() ir.Node { } func (r *importReader) op() ir.Op { + if debug && r.uint64() != magic { + base.Fatalf("import stream has desynchronized") + } return ir.Op(r.uint64()) } -- cgit v1.2.3-54-g00ecf