[Issue 19320] -cov and -O yield variable used before set

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19320

Luís Ferreira <lsferreira169 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |lsferreira169 at gmail.com

--- Comment #3 from Luís Ferreira <lsferreira169 at gmail.com> ---
By adding a asm block with a `nop` instruction to the affected scope, the
compiler optimizer will give up searching:

asm { nop; }

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