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make sure that empty diag groups get known by clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69235 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -66,9 +66,8 @@ void ClangDiagGroupsEmitter::run(std::ostream &OS) {
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// groups to diags in the group.
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std::map<std::string, std::vector<const Record*> > DiagsInGroup;
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const std::vector<Record*> &Diags =
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std::vector<Record*> Diags =
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Records.getAllDerivedDefinitions("Diagnostic");
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for (unsigned i = 0, e = Diags.size(); i != e; ++i) {
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const Record *R = Diags[i];
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DefInit *DI = dynamic_cast<DefInit*>(R->getValueInit("Group"));
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@ -76,6 +75,13 @@ void ClangDiagGroupsEmitter::run(std::ostream &OS) {
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DiagsInGroup[DI->getDef()->getValueAsString("GroupName")].push_back(R);
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}
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// Add all DiagGroup's to the DiagsInGroup list to make sure we pick up empty
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// groups (these are warnings that GCC supports that clang never produces).
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Diags = Records.getAllDerivedDefinitions("DiagGroup");
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for (unsigned i = 0, e = Diags.size(); i != e; ++i) {
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DiagsInGroup[Diags[i]->getValueAsString("GroupName")];
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}
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// Walk through the groups emitting an array for each diagnostic of the diags
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// that are mapped to.
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OS << "\n#ifdef GET_DIAG_ARRAYS\n";
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