[Bug target/66224] New: PowerPC _GLIBCXX_READ_MEM_BARRIER too weak

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66224

            Bug ID: 66224
           Summary: PowerPC _GLIBCXX_READ_MEM_BARRIER too weak
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dje at gcc dot gnu.org
  Target Milestone: ---

_GLIBCXX_READ_MEM_BARRIER should be lwsync on PowerPC for acquire barrier
(fence), not isync.