Eli Friedman 27a5749625 [Sema][Windows] Don't special-case void* in __unaligned conversions. ...

As far as I can tell, MSVC allows the relevant conversions for all
pointer types. Found compiling a Windows SDK header.

I've verified that the updated errors in MicrosoftExtensions.cpp match
the ones that MSVC actually emits, except for the one with a FIXME. (Not
sure why this wasn't done for the patch that added the tests.)

To make up for the missing error, add a warning that triggers on
conversions that drop the __unaligned qualfier.

Differential Revision: https://reviews.llvm.org/D120936

2022-03-10 14:49:16 -08:00

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