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Author SHA1 Message Date
Erik Pilkington 4fa0dbd688 Fix a test failing on windows 2020-12-04 11:20:17 -05:00
Erik Pilkington 090dd647d9 [Sema] Fold VLAs to constant arrays in a few more contexts 
552c6c2 removed support for promoting VLAs to constant arrays when the bounds
isn't an ICE, since this can result in miscompiling a conforming program that
assumes that the array is a VLA. Promoting VLAs for fields is still supported,
since clang doesn't support VLAs in fields, so no conforming program could have
a field VLA.

This change is really disruptive, so this commit carves out two more cases
where we promote VLAs which can't miscompile a conforming program:

 - When the VLA appears in an ivar -- this seems like a corollary to the field thing
 - When the VLA has an initializer -- VLAs can't have an initializer

Differential revision: https://reviews.llvm.org/D90871
 2020-12-04 10:03:23 -05:00
David Majnemer df8f73fd8a [Sema] Diagnose references to unbound arrays in function definitions 
A [*] is only allowed in a declaration for a function, not in its
definition.  We didn't correctly recurse on reference types while
looking for it, causing us to crash in CodeGen instead of rejecting it.

llvm-svn: 234528
 2015-04-09 19:53:25 +00:00
Richard Smith 04d6d2f2af PR18581: Attempt to complete the type in a VLA declaration before checking 
whether it's POD.

llvm-svn: 201018
 2014-02-08 02:30:49 +00:00
Richard Smith 84208dcf02 PR11925: A function can't have a variably-modified return type. Not even in C++. 
llvm-svn: 152615
 2012-03-13 05:56:40 +00:00