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spec: refer to "run-time panic" rather than "exception" (cleanup)
Fixes #28341. Change-Id: If8ae844c9b5e843ce9229c0a555f7006426baed7 Reviewed-on: https://go-review.googlesource.com/c/144260 Reviewed-by: Rob Pike <r@golang.org>
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@ -1,6 +1,6 @@
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<!--{
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"Title": "The Go Programming Language Specification",
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"Subtitle": "Version of October 17, 2018",
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"Subtitle": "Version of October 23, 2018",
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"Path": "/ref/spec"
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}-->
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@ -3260,7 +3260,7 @@ var v, ok T1 = x.(T)
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yields an additional untyped boolean value. The value of <code>ok</code> is <code>true</code>
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if the assertion holds. Otherwise it is <code>false</code> and the value of <code>v</code> is
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the <a href="#The_zero_value">zero value</a> for type <code>T</code>.
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No run-time panic occurs in this case.
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No <a href="#Run_time_panics">run-time panic</a> occurs in this case.
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</p>
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@ -3624,7 +3624,7 @@ For signed integers, the operations <code>+</code>,
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<code>-</code>, <code>*</code>, <code>/</code>, and <code><<</code> may legally
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overflow and the resulting value exists and is deterministically defined
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by the signed integer representation, the operation, and its operands.
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No exception is raised as a result of overflow.
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Overflow does not cause a <a href="#Run_time_panics">run-time panic</a>.
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A compiler may not optimize code under the assumption that overflow does
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not occur. For instance, it may not assume that <code>x < x + 1</code> is always true.
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</p>
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