[Issue 20441] Wrong code with -O -fPIC and pointer subtraction

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20441

Don <clugdbug at yahoo.com.au> changed:

           What    |Removed                     |Added
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            Summary|Wrong code with -O -fPIC    |Wrong code with -O -fPIC
                   |and string literal.ptr      |and pointer subtraction

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