[clang][include-tree] Make spurious import explicit in print output

Author: jansvoboda11

clang/lib/CAS/IncludeTree.cpp

@@ -696,6 +696,7 @@ llvm::Error IncludeTree::SpuriousImport::print(llvm::raw_ostream &OS,
   auto IT = getIncludeTree();
   if (!IT)
     return IT.takeError();
+  OS << "(Spurious import) ";
   if (llvm::Error E = MI->print(OS, Indent, /*End=*/' '))
     return E;
   if (llvm::Error E = IT->print(OS, Indent))

clang/test/ClangScanDeps/modules-include-tree-implementation-transitive.c

@@ -66,7 +66,7 @@ static mod_int x;
 // RUN: FileCheck %s -input-file %t/tu-include-tree.txt -DPREFIX=%/t
 // CHECK:      [[PREFIX]]/tu.m llvmcas://
 // CHECK-NEXT: 1:1 <built-in> llvmcas://
-// CHECK-NEXT: 2:1 (Module) Spurious.Missing [[PREFIX]]/frameworks/Spurious.framework/Headers/Missing.h llvmcas://
+// CHECK-NEXT: 2:1 (Spurious import) (Module) Spurious.Missing [[PREFIX]]/frameworks/Spurious.framework/Headers/Missing.h llvmcas://
 // CHECK-NEXT: 3:1 (Module for visibility only) Mod
 
 // RUN: %clang @%t/cas-Mod.cc1.rsp

clang/test/ClangScanDeps/modules-include-tree-missing-submodule.c

@@ -50,7 +50,7 @@
 // CHECK: (PCH) llvmcas://
 // CHECK: [[PREFIX]]/tu.c llvmcas://
 // CHECK: 1:1 <built-in> llvmcas://
-// CHECK: 2:1 (Module) Foo.Bar [[PREFIX]]/Foo.framework/Headers/Bar.h llvmcas://
+// CHECK: 2:1 (Spurious import) (Module) Foo.Bar [[PREFIX]]/Foo.framework/Headers/Bar.h llvmcas://
 
 // RUN: %clang @%t/tu.rsp