[LLVMbugs] [Bug 5750] New: RFE: include warning for shared data

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Thu Dec 10 14:44:13 PST 2009


           Summary: RFE: include warning for shared data
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Semantic Analyzer
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: daniel at zuster.org
                CC: llvmbugs at cs.uiuc.edu

clang should include an optional (off by default) warning which warns about the
use of any shared data (local static data, globals, etc.). The idea is to warn
about things which may block concurrency.

Getting this warning right will take some work, but it would be very useful for
projects (like LLVM/Clang itself) which want to migrate to being reentrant.

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