Add note about returns_twice magic removal from LLVM itself.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155657 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Joerg Sonnenberger 2012-04-26 20:10:07 +00:00
parent c573b1f7ae
commit dba86d8ec2

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@ -536,6 +536,9 @@ syntax, there are still significant gaps in that support.</p>
<li>The <tt>unwind</tt> instruction is now gone. With the introduction of the
new exception handling system in LLVM 3.0, the <tt>unwind</tt> instruction
became obsolete.</li>
<li>LLVM 3.0 and earlier automatically added the returns_twice fo functions
like setjmp based on the name. This functionality was removed in 3.1.
This affects Clang users, if -ffreestanding is used.</li>
<li>....</li>
</ul>