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bug#26597: 25.1; Compilation error on master with --enable-check-lisp-ob

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


Stefan Monnier <monnier@iro.umontreal.ca> schrieb am Mo., 1. Mai 2017 um 15:01 Uhr:
> 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.

Yes, I mean "bug" in a wider sense that includes QoI issues. 
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