Go patch committed: Avoid endless loop checking for pointer type

[Ian Lance Taylor]

This patch to the Go frontend avoids an endless type loop when checking
whether an invalid type is or contains a pointer.  Bootstrapped and ran
Go testsuite on x86_64-unknown-linux-gnu.  Committed to mainline.

Ian

-------------- next part --------------
A non-text attachment was scrubbed...
Name: foo.patch
Type: text/x-diff
Size: 922 bytes
Desc: loop
URL: <http://gcc.gnu.org/pipermail/gcc-patches/attachments/20101224/fd9e91e5/attachment.bin>