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Avoid overflow error after negative shift count error.
authorian <ian@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 25 Mar 2011 19:23:10 +0000 (19:23 +0000)
committerian <ian@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 25 Mar 2011 19:23:10 +0000 (19:23 +0000)
commita4eba91bd30b463736e269e383ba8703d20d4627
tree22b7104a112444a970a590843a98772767f2858e
parent82715bcdc8507de3d95e07d25df00d812e3afbab
Avoid overflow error after negative shift count error.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@171523 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/go/gofrontend/expressions.cc