cmd/cgo/internal/testsanitizers: bound ASAN C support probe The C sanitizer support check builds and runs a tiny C program before the Go ASAN tests run. Some libasan versions run a slow LeakSanitizer check at process exit even for this no-op program, which can cause TestASAN to time out before it starts testing Go binaries. For ASAN support probes, set leak_check_at_exit=0. This avoids the implicit exit-time leak scan for the probe without disabling explicit LSAN tests. Also run the compile and execute probes with a fixed local timeout so broken C sanitizer configurations are skipped instead of hitting the package-level test timeout. Fixes #72996 Change-Id: I53a0269324f8f0eb214df81aeeecc72dfc432fe1 Reviewed-on: https://go-review.googlesource.com/c/go/+/774660 Reviewed-by: Cherry Mui <cherryyz@google.com> LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Michael Pratt <mpratt@google.com> Reviewed-by: Ian Lance Taylor <iant@golang.org>
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