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Author SHA1 Message Date
serge-sans-paille
dc6f5c9b58
[Clang][Sema] Do not try to analyze dependent alignment during -Wcast-align 
Fix #63007

Differential Revision: https://reviews.llvm.org/D151753
 2023-06-27 10:29:09 +02:00
Akira Hatanaka
04027052a7 [Sema] Teach -Wcast-align to compute alignment of CXXThisExpr 
This fixes https://bugs.llvm.org/show_bug.cgi?id=46605.

rdar://problem/65158878

Differential Revision: https://reviews.llvm.org/D83317
 2020-07-07 17:45:04 -07:00
Akira Hatanaka
854f5f332a [Sema] Teach -Wcast-align to compute an accurate alignment using the 
alignment information on VarDecls in more cases

This commit improves upon https://reviews.llvm.org/D21099. The code that
computes the source alignment now understands array subscript
expressions, binary operators, derived-to-base casts, and several more
expressions.

rdar://problem/59242343

Differential Revision: https://reviews.llvm.org/D78767
 2020-05-15 00:59:03 -07:00
John McCall
5cf48cd17c On second thought, don't warn about reinterpret_casts under -Wcast-align. 
llvm-svn: 111497
 2010-08-19 01:19:08 +00:00
John McCall
2b5c1b2516 Implement -Wcast-align. The initial design of this diagnostic diverges 
from GCC's in that we warn on *any* increase in alignment requirements, not
just those that are enforced by hardware.  Please let us know if this causes
major problems for you (which it shouldn't, since it's an optional warning).

llvm-svn: 110959
 2010-08-12 21:44:57 +00:00