Sema: Fix -debug-inverse-requirements flag

Author: slavapestov

lib/Frontend/CompilerInvocation.cpp

@@ -1521,6 +1521,7 @@ static bool ParseTypeCheckerArgs(TypeCheckerOptions &Opts, ArgList &Args,
     Opts.DeferToRuntime = true;
 
   Opts.DebugGenericSignatures |= Args.hasArg(OPT_debug_generic_signatures);
+  Opts.DebugInverseRequirements |= Args.hasArg(OPT_debug_inverse_requirements);
 
   Opts.EnableLazyTypecheck |= Args.hasArg(OPT_experimental_lazy_typecheck);
   Opts.EnableLazyTypecheck |=

lib/Sema/TypeCheckDeclPrimary.cpp

@@ -2078,7 +2078,7 @@ static void dumpGenericSignature(ASTContext &ctx, GenericContext *GC) {
       PrintOptions Opts;
       Opts.ProtocolQualifiedDependentMemberTypes = true;
       Opts.PrintInverseRequirements =
-          ctx.TypeCheckerOpts.DebugInverseRequirements;
+          !ctx.TypeCheckerOpts.DebugInverseRequirements;
       sig->print(llvm::errs(), Opts);
       llvm::errs() << "\n";
       llvm::errs() << "Canonical generic signature: ";
@@ -3456,7 +3456,7 @@ class DeclChecker : public DeclVisitor<DeclChecker> {
       PrintOptions Opts;
       Opts.ProtocolQualifiedDependentMemberTypes = true;
       Opts.PrintInverseRequirements =
-          Ctx.TypeCheckerOpts.DebugInverseRequirements;
+          !Ctx.TypeCheckerOpts.DebugInverseRequirements;
       sig.print(PD, llvm::errs(), Opts);
       llvm::errs() << "\n";
     }