[dev.cc] cmd/go: reenable verifyCompiler

Change-Id: Ic7367f2c6e6d4e6b802ce8436022412a1862ca58
Reviewed-on: https://go-review.googlesource.com/5472Reviewed-by: Rob Pike <r@golang.org>

src/cmd/go/build.go

@@ -1630,7 +1630,7 @@ func (gcToolchain) linker() string {
 // verifyCompiler specifies whether to check the compilers written in Go
 // against the assemblers written in C. If set, asm will run both (say) 6g and new6g
 // and fail if the two produce different output files.
-const verifyCompiler = false
+const verifyCompiler = true
 
 func (gcToolchain) gc(b *builder, p *Package, archive, obj string, asmhdr bool, importArgs []string, gofiles []string) (ofile string, output []byte, err error) {
 	if archive != "" {