[Issue 12390] Regression (2.065): "has no effect in expression" diagnostic regression

Sat Mar 29 02:30:20 PDT 2014

https://d.puremagic.com/issues/show_bug.cgi?id=12390

Vladimir Panteleev <thecybershadow at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|INVALID                     |

--- Comment #2 from Vladimir Panteleev <thecybershadow at gmail.com> 2014-03-29 11:30:04 EET ---
Even if fun is not pure, the code performs two redundant operations (obtaining
a field of the result, then comparing it to something).

fun();

This should compile.

fun().i == 4;

This should not.

> Rather the behavior change was an actual fix of rejects-valid bug.

In a [Refactoring] pull request?

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