[Bug libstdc++/20150] New: allocate(0) consistency checks

[bkoz at gcc dot gnu dot org]

Regression from 3.2/3.3, calling allocate with n==0 leads to a call of new.

Fixup all ext allocators, port to 3.4

-- 
           Summary: allocate(0) consistency checks
           Product: gcc
           Version: 3.4.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: libstdc++
        AssignedTo: bkoz at gcc dot gnu dot org
        ReportedBy: bkoz at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org,veksler at il dot ibm
                    dot com
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20150