runtime: ignore TestCgoPprofPIE test failures on Alpine

Updates #19938
Updates #18243

Change-Id: Ib6e704c0a5d596bdfaa6493902d2528bec55bf16
Reviewed-on: https://go-review.googlesource.com/41628
Reviewed-by: Ian Lance Taylor <iant@golang.org>

diff --git a/src/runtime/crash_cgo_test.go b/src/runtime/crash_cgo_test.go
index 2c3fe39f2c108f4623d672956279f5b160d19186..252313ab67f9f2110334dcce8fc66e2196b38c27 100644 (file)
--- a/src/runtime/crash_cgo_test.go
+++ b/src/runtime/crash_cgo_test.go
@@ -282,6 +282,10 @@ func testCgoPprof(t *testing.T, buildArg, runArg string) {
 
        got, err := testEnv(exec.Command(exe, runArg)).CombinedOutput()
        if err != nil {
+               if testenv.Builder() == "linux-arm64-alpine" {
+                       // See Issue 18243 and Issue 19938.
+                       t.Skipf("Skipping failing test on Alpine (golang.org/issue/18243). Ignoring error: %v", err)
+               }
                t.Fatal(err)
        }
        fn := strings.TrimSpace(string(got))