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Add a comment to some code that at first glance just doesn't look right.

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llvm-svn: 17886
This commit is contained in:
Reid Spencer 2004-11-16 06:50:36 +00:00
parent ddfafa643a
commit e64ca0563a
1 changed files with 6 additions and 0 deletions
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6
lib/Support/CommandLine.cpp
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@ -972,5 +972,11 @@ VersOp("version", cl::desc("display the version"),
// Utility function for printing the help message.
void cl::PrintHelpMessage() {
// This looks weird, but it actually prints the help message. The
// NormalPrinter variable is a HelpPrinter and the help gets printed when
// its operator= is invoked. That's because the "normal" usages of the
// help printer is to be assigned true/false depending on whether the
// --help option was given or not. Since we're circumventing that we have
// to make it look like --help was given, so we assign true.
NormalPrinter = true;
}