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From: | Philipp Stephani |
Subject: | bug#26597: 25.1; Compilation error on master with --enable-check-lisp-object-type |
Date: | Mon, 01 May 2017 14:33:28 +0000 |
> Replacing a primitive value with a struct containing such a value
> should never degrade performance; that would be a compiler bug.
FWIW, No, compilers do not guarantee that semantically-equivalent
programs will be compiled to code with equivalent performance, so it
wouldn't be a bug. It's only a "quality of implementation" issue.
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