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cmd/trace: remove unused variable in tests

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Unused variables in closures are currently not diagnosed by the
compiler (this is Issue #3059), while go/types catches them.

One unused variable in the cmd/trace tests is causing the go/types
test that typechecks the whole standard library to fail:

  FAIL: TestStdlib (8.05s)
    stdlib_test.go:223: cmd/trace/annotations_test.go:241:6: gcTime
    declared but not used
  FAIL

Remove it.

Updates #24464

Change-Id: I0f1b9db6ae1f0130616ee649bdbfdc91e38d2184
Reviewed-on: https://go-review.googlesource.com/101815
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
This commit is contained in:
Alberto Donizetti 2018-03-21 11:53:51 +01:00
parent 5f0a9ba134
commit 041c5d8348
1 changed files with 1 additions and 3 deletions
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4
src/cmd/trace/annotations_test.go
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@ -238,12 +238,10 @@ func prog2() (gcTime time.Duration) {
}
func TestAnalyzeAnnotationGC(t *testing.T) {
var gcTime time.Duration
err := traceProgram(t, func() {
oldGC := debug.SetGCPercent(10000) // gc, and effectively disable GC
defer debug.SetGCPercent(oldGC)
gcTime = prog2()
prog2()
}, "TestAnalyzeAnnotationGC")
if err != nil {
t.Fatalf("failed to trace the program: %v", err)