[Bug tree-optimization/51576] New: [4.7 Regression] Bootstrap failure with go

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51576

             Bug #: 51576
           Summary: [4.7 Regression] Bootstrap failure with go
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: ja...@gcc.gnu.org
        ReportedBy: ja...@gcc.gnu.org


sha1.go (and other cryptos) fail to bootstrap at least on i686-linux, with:
../../../libgo/go/crypto/sha1/sha1.go: In function
‘sha1.Sum.pN24_libgo_crypto.sha1.digest’:
../../../libgo/go/crypto/sha1/sha1.go:82:1: error: statement marked for throw,
but doesn’t
# .MEM_130 = VDEF <.MEM_80>
*tmp_8[0] = iftmp.106_128;