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doc/go1.14: more runtime/compiler release notes
This is based on reading through every commit message to runtime and cmd/{compile,link,internal,asm} since Go 1.13. Change-Id: I253b1a70ed265f15180fa20c191ceeafa6612ac4 Reviewed-on: https://go-review.googlesource.com/c/go/+/211977 Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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@ -30,6 +30,10 @@ Do not send CLs removing the interior tags from such phrases.
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TODO
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</p>
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<p><!-- CL 187519 -->
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TODO: <a href="https://golang.org/cl/187519">https://golang.org/cl/187519</a>: allow embedding overlapping interfaces
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</p>
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<h2 id="ports">Ports</h2>
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<p>
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@ -95,7 +99,7 @@ TODO
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<h3 id="freebsd">FreeBSD</h3>
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<p><!-- golang.org/issue/24715 -->
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<p><!-- CL 199919 -->
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Go now supports the 64-bit ARM architecture on FreeBSD (the
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<code>freebsd/arm64</code> port).
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</p>
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@ -107,6 +111,13 @@ TODO
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Go 1.14 drops support for the Native Client platform (<code>GOOS=nacl</code>).
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</p>
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<p><!-- CL 203758 -->
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The runtime now respects zone CPU caps
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(the <code>zone.cpu-cap</code> resource control)
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for <code>runtime.NumCPU</code> and the default value
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of <code>GOMAXPROCS</code>.
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</p>
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<h2 id="tools">Tools</h2>
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<p>
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@ -230,10 +241,6 @@ TODO
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<h2 id="runtime">Runtime</h2>
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<p>
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TODO
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</p>
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<p><!-- CL 190098 -->
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This release improves the performance of most uses
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of <code>defer</code> to incur almost zero overhead compared to
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@ -269,6 +276,8 @@ TODO
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visible changes.
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</p>
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<!-- TODO: Maybe CL 200439? -->
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<h2 id="compiler">Compiler</h2>
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<p><!-- CL 162237 -->
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@ -292,6 +301,12 @@ TODO
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one of the <code>unsafe.Pointer</code>-typed operands must point
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into the same object.
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</li>
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</ol>
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<p><!-- CL 204338 -->
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The compiler can now emit machine-readable logs of key optimizations
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using the <code>-json</code> flag, including inlining, escape
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analysis, bounds-check elimination, and nil-check elimination
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</p>
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<p><!-- CL 196959 -->
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@ -305,6 +320,14 @@ TODO
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following platform conventions.
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</p>
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<p><!-- CL 202117 -->
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This release includes experimental support for compiler-inserted
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coverage instrumentation for fuzzing.
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See <a href="https://golang.org/issue/14565">the issue</a> for more
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details.
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This API may change in future releases.
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</p>
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<h2 id="library">Core library</h2>
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<p>
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@ -370,7 +393,7 @@ TODO
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<dl id="plugin"><dt><a href="/pkg/plugin/">plugin</a></dt>
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<dd>
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<p><!-- CL 191617 -->
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TODO: <a href="https://golang.org/cl/191617">https://golang.org/cl/191617</a>: add freebsd/amd64 plugin support
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The <code>plugin</code> package now supports <code>freebsd/amd64</code>.
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</p>
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</dl><!-- plugin -->
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@ -395,16 +418,28 @@ TODO
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recursive <code>panic</code>/<code>recover</code>.
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</p>
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<p><!-- CL 187739 -->
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TODO: <a href="https://golang.org/cl/187739">https://golang.org/cl/187739</a>: treat CTRL_CLOSE_EVENT, CTRL_LOGOFF_EVENT, CTRL_SHUTDOWN_EVENT as SIGTERM on Windows
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</p>
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<p><!-- CL 188297 -->
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TODO: <a href="https://golang.org/cl/188297">https://golang.org/cl/188297</a>: don't forward SIGPIPE on macOS
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<p><!-- CL 188297, CL 191785 -->
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On macOS, <code>SIGPIPE</code> is no longer forwarded to signal
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handlers installed before the Go runtime is initialized.
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This is necessary because macOS delivers <code>SIGPIPE</code>
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<a href="https://golang.org/issue/33384">to the main thread</a>
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rather than the thread writing to the closed pipe.
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</p>
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</dl><!-- runtime -->
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<dl id="signal"><dt><a href="/pkg/signal/">signal</a></dt>
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<dd>
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<p><!-- CL 187739 -->
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On Windows,
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the <code>CTRL_CLOSE_EVENT</code>, <code>CTRL_LOGOFF_EVENT</code>,
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and <code>CTRL_SHUTDOWN_EVENT</code> events now generate
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a <code>syscall.SIGTERM</code> signal, similar to how Control-C
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and Control-Break generate a <code>syscall.SIGINT</code> signal.
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</p>
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</dl><!-- signal -->
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<dl id="testing"><dt><a href="/pkg/testing/">testing</a></dt>
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<dd>
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<p><!-- CL 201359 -->
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