[LLVMbugs] [Bug 18649] New: CommandLine: cl::alias doesn't handle separated aliases

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Tue Jan 28 15:37:58 PST 2014


            Bug ID: 18649
           Summary: CommandLine: cl::alias doesn't handle separated
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Support Libraries
          Assignee: unassignedbugs at nondot.org
          Reporter: jordan_rose at apple.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

When using cl::alias to alias an option that takes an argument
(cl::opt<std::string>), it handles parsing the form "-alias=value" but not
"-alias value"; the latter is taken as a value-less flag followed by a
positional argument.


static llvm::cl::opt<std::string, true>
Alias("alias", llvm::cl::desc("(deprecated; use -actual instead)"),
      llvm::cl::Hidden, llvm::cl::location(Actual));

I don't have a self-contained test case right now, but I'll try to attach one

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