[Issue 20126] codegen reloads parameter from register when iasm changed the backing memory

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20126

Walter Bright <bugzilla at digitalmars.com> changed:

           What    |Removed                     |Added
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            Summary|bad codegen for return      |codegen reloads parameter
                   |statement in function with  |from register when iasm
                   |asm code                    |changed the backing memory

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