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Akira Hatanaka c39a243da6 Assume `__cxa_allocate_exception` returns an under-aligned memory on 
Darwin if the version of libc++abi isn't new enough to include the fix
in r319123

This patch resurrects r264998, which was committed to work around a bug
in libc++abi that was causing _cxa_allocate_exception to return a memory
that wasn't double-word aligned.

http://lists.llvm.org/pipermail/cfe-commits/Week-of-Mon-20160328/154332.html

In addition, this patch makes clang issue a warning if the type of the
thrown object requires an alignment that is larger than the minimum
guaranteed by the target C++ runtime.

rdar://problem/49864414

Differential Revision: https://reviews.llvm.org/D61667

llvm-svn: 360404
 		2019-05-10 02:16:37 +00:00
..
INPUTS
…
bindings [CodeComplete] Update python tests after r360042 2019-05-06 14:56:24 +00:00
cmake [CMake] Replace the sanitizer support in runtimes build with multilib 2019-04-22 23:31:39 +00:00
docs Change -gz and -Wa,--compress-debug-sections to use gABI compression (SHF_COMPRESSED) 2019-05-10 02:08:21 +00:00
examples [build] Rename clang-headers to clang-resource-headers 2019-03-04 21:19:53 +00:00
include Assume `__cxa_allocate_exception` returns an under-aligned memory on 2019-05-10 02:16:37 +00:00
lib Assume `__cxa_allocate_exception` returns an under-aligned memory on 2019-05-10 02:16:37 +00:00
runtime [cmake] Change deprecated $<CONFIG> to $<CONFIGURATION>. NFC 2019-03-30 14:38:51 +00:00
test Assume `__cxa_allocate_exception` returns an under-aligned memory on 2019-05-10 02:16:37 +00:00
tools Change -gz and -Wa,--compress-debug-sections to use gABI compression (SHF_COMPRESSED) 2019-05-10 02:08:21 +00:00
unittests [c++20] Add support for explicit(bool), as described in P0892R2. 2019-05-09 03:59:21 +00:00
utils Make clang/utils/creduce-clang-crash.py executable 2019-05-01 20:15:39 +00:00
www DR1872: don't allow any calls to virtual functions in constant 2019-05-09 19:45:49 +00:00
.arcconfig
…
.clang-format
…
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitignore Adjust documentation for git migration. 2019-01-29 16:37:27 +00:00
CMakeLists.txt Moved everything SMT-related to LLVM and updated the cmake scripts. 2019-03-25 17:47:45 +00:00
CODE_OWNERS.TXT Add myself as code owner for OpenBSD driver 2018-11-30 21:42:34 +00:00
INSTALL.txt
…
LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
ModuleInfo.txt
…
NOTES.txt PTH-- Remove feature entirely- 2018-12-04 14:34:09 +00:00
README.txt
…

README.txt 

//===----------------------------------------------------------------------===//
// C Language Family Front-end
//===----------------------------------------------------------------------===//

Welcome to Clang.  This is a compiler front-end for the C family of languages
(C, C++, Objective-C, and Objective-C++) which is built as part of the LLVM
compiler infrastructure project.

Unlike many other compiler frontends, Clang is useful for a number of things
beyond just compiling code: we intend for Clang to be host to a number of
different source-level tools.  One example of this is the Clang Static Analyzer.

If you're interested in more (including how to build Clang) it is best to read
the relevant web sites.  Here are some pointers:

Information on Clang:             http://clang.llvm.org/
Building and using Clang:         http://clang.llvm.org/get_started.html
Clang Static Analyzer:            http://clang-analyzer.llvm.org/
Information on the LLVM project:  http://llvm.org/

If you have questions or comments about Clang, a great place to discuss them is
on the Clang development mailing list:
  http://lists.llvm.org/mailman/listinfo/cfe-dev

If you find a bug in Clang, please file it in the LLVM bug tracker:
  http://llvm.org/bugs/