forked from OSchip/llvm-project
![]() Thou shall not jump into SEH blocks. Jumping out of SEH __try and __excepts is A-ok. Jumping out of __finally blocks is B-ok (msvc doesn't error about it, but warns that it has undefined behavior). I've checked that clang's behavior with this patch matches msvc's behavior. We don't have the warning on jumping out of a __finally yet, see the FIXME in the test. clang also currently crashes on codegen for a jump out of a __finally block, see PR22414 comment 7. I also added a few tests for the interaction of indirect jumps and SEH blocks. MSVC doesn't support indirect jumps, so there's no way to know if clang behave the same way as msvc here. clang's behavior with this patch does make sense to me, but maybe it could be argued that it should be more permissive (see FIXME in the indirect jump tests -- shout if you have an opinion on this). llvm-svn: 227982 |
||
---|---|---|
.. | ||
INPUTS | ||
bindings | ||
cmake/modules | ||
docs | ||
examples | ||
include | ||
lib | ||
runtime | ||
test | ||
tools | ||
unittests | ||
utils | ||
www | ||
.arcconfig | ||
.clang-format | ||
.clang-tidy | ||
.gitignore | ||
CMakeLists.txt | ||
CODE_OWNERS.TXT | ||
INSTALL.txt | ||
LICENSE.TXT | ||
Makefile | ||
ModuleInfo.txt | ||
NOTES.txt | ||
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.cs.uiuc.edu/mailman/listinfo/cfe-dev If you find a bug in Clang, please file it in the LLVM bug tracker: http://llvm.org/bugs/