PR tree-optimization/18291
commitada79becbdfc78b0656c910c7c023bad5fcd142a
authordnovillo <dnovillo@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 1 Dec 2004 18:54:04 +0000 (1 18:54 +0000)
committerdnovillo <dnovillo@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 1 Dec 2004 18:54:04 +0000 (1 18:54 +0000)
tree517abe0b84a2cbbf48cf4e85005efa56a1331b33
parent6ff94bb6619a4cc797fd58b36ca91dea31ae150f
PR tree-optimization/18291
* tree-ssa-copy.c (merge_alias_info): Fix merging of
flow-sensitive alias information.  If the new pointer has no
name tag, copy it from the original pointer.  Otherwise, make
sure that the pointed-to sets have a common intersection.

testsuite/ChangeLog

PR tree-optimization/18291
* testsuite/gcc.c-torture/compile/pr18291.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91574 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.c-torture/compile/pr18291.c [new file with mode: 0644]
gcc/tree-ssa-copy.c