<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Sat, May 2, 2015 at 6:05 PM, Eric Fiselier <span dir="ltr"><<a href="mailto:eric@efcs.ca" target="_blank">eric@efcs.ca</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Tom,<br>
CC Marshall<br>
<br>
I nominate the following patches to be included in 3.6.1.<br>
<br>
These two commits clean up undefined behavior in readEncodedPointer.<br>
<br>
- r231839: Fix PR21580 - Undefined behavior in readEncodedPointer()<br>
  <a href="https://llvm.org/bugs/show_bug.cgi?id=21580" target="_blank">https://llvm.org/bugs/show_bug.cgi?id=21580</a><br>
  <a href="https://github.com/llvm-mirror/libcxxabi/commit/89ea9ad0b0a48a9b9fccf6de81bdca1861960855" target="_blank">https://github.com/llvm-mirror/libcxxabi/commit/89ea9ad0b0a48a9b9fccf6de81bdca1861960855</a><br>
<br>
- r231852: Remove unneeded const_cast in readPointerHelper. Pointed<br>
out by jroelofs<br>
  <a href="https://github.com/llvm-mirror/libcxxabi/commit/fdd39fd838828bba84c4f7ad620207ae0d734ad5" target="_blank">https://github.com/llvm-mirror/libcxxabi/commit/fdd39fd838828bba84c4f7ad620207ae0d734ad5</a><br>
<br>
<br>
These commits how libc++abi matches exception types to catch blocks.<br>
In particular it makes libc++abi properly check for multilevel pointer<br>
conversions as well as void* conversions.<br>
<br>
<br>
- r233984: Fix multi-level pointer conversions and pointer to member<br>
conversion detection.<br>
  <a href="https://github.com/llvm-mirror/libcxxabi/commit/0cb62d1b51f3d9ab65e0ba7b6541dda0663fe50d" target="_blank">https://github.com/llvm-mirror/libcxxabi/commit/0cb62d1b51f3d9ab65e0ba7b6541dda0663fe50d</a><br>
<br>
- r234254: Disallow Base to Derived conversions for catching pointers<br>
to members.<br>
  <a href="https://github.com/llvm-mirror/libcxxabi/commit/554d59ab0b989830273c9183f7bdfd12108cad7a" target="_blank">https://github.com/llvm-mirror/libcxxabi/commit/554d59ab0b989830273c9183f7bdfd12108cad7a</a><br>
<br>
- r236299: Disallow conversions from function pointers to void*.<br>
  <a href="https://github.com/llvm-mirror/libcxxabi/commit/b979db159a515fe12b54f793690618313e017259" target="_blank">https://github.com/llvm-mirror/libcxxabi/commit/b979db159a515fe12b54f793690618313e017259<br></a></blockquote><div><br></div><div>I'm fine with these going into 3.6.1; the last three fix obscure bugs in our exception handling code.</div><div><br></div><div>-- Marshall </div></div><br></div></div>