[find-all-symbol] Ignore inline namespace context.

[bkramer]

lg

include-fixer/find-all-symbols/FindAllSymbols.cpp

for (const auto *Context = ND->getDeclContext(); Context;
        Context = Context->getParent()) {
     if (llvm::isa<TranslationUnitDecl>(Context) ||
         llvm::isa<LinkageSpecDecl>(Context))
       break;
 
     assert(llvm::isa<NamedDecl>(Context) &&
            "Expect Context to be a NamedDecl");
     if (const auto *NSD = dyn_cast<NamespaceDecl>(Context)) {
+      if (!NSD->isInlineNamespace())
         Contexts.emplace_back(SymbolInfo::ContextType::Namespace,
-                            NSD->isAnonymousNamespace() ? ""
-                                                        : NSD->getName().str());
+                              NSD->getName().str());
     } else if (const auto *ED = dyn_cast<EnumDecl>(Context)) {
       Contexts.emplace_back(SymbolInfo::ContextType::EnumDecl,
                             ED->getName().str());
     } else {
       const auto *RD = cast<RecordDecl>(Context);
       Contexts.emplace_back(SymbolInfo::ContextType::Record,
                             RD->getName().str());
     }

unittests/include-fixer/find-all-symbols/FindAllSymbolsTests.cpp

TEST_F(FindAllSymbolsTest, FunctionSymbols) {
   EXPECT_TRUE(hasSymbol(Symbol));
 }
 
 TEST_F(FindAllSymbolsTest, NamespaceTest) {
   static const char Code[] = R"(
       int X1;
       namespace { int X2; }
       namespace { namespace { int X3; } }
-      namespace { namespace nb { int X4;} }
+      namespace { namespace nb { int X4; } }
+      namespace na { inline namespace __1 { int X5; } }
       )";
   runFindAllSymbols(Code);
 
   SymbolInfo Symbol =
       SymbolInfo("X1", SymbolInfo::SymbolKind::Variable, HeaderName, 2, {});
   EXPECT_TRUE(hasSymbol(Symbol));
 
   Symbol = SymbolInfo("X2", SymbolInfo::SymbolKind::Variable, HeaderName, 3,
                       {{SymbolInfo::ContextType::Namespace, ""}});
   EXPECT_TRUE(hasSymbol(Symbol));
 
   Symbol = SymbolInfo("X3", SymbolInfo::SymbolKind::Variable, HeaderName, 4,
                       {{SymbolInfo::ContextType::Namespace, ""},
                        {SymbolInfo::ContextType::Namespace, ""}});
   EXPECT_TRUE(hasSymbol(Symbol));
 
   Symbol = SymbolInfo("X4", SymbolInfo::SymbolKind::Variable, HeaderName, 5,
                       {{SymbolInfo::ContextType::Namespace, "nb"},
                        {SymbolInfo::ContextType::Namespace, ""}});
   EXPECT_TRUE(hasSymbol(Symbol));
+
+  Symbol = SymbolInfo("X5", SymbolInfo::SymbolKind::Variable, HeaderName, 6,
+                      {{SymbolInfo::ContextType::Namespace, "na"}});
+  EXPECT_TRUE(hasSymbol(Symbol));
 }
 
 TEST_F(FindAllSymbolsTest, DecayedTypeTest) {
   static const char Code[] = "void DecayedFunc(int x[], int y[10]) {}";
   runFindAllSymbols(Code);
   SymbolInfo Symbol = SymbolInfo(
       "DecayedFunc", SymbolInfo::SymbolKind::Function, HeaderName, 1, {});
   EXPECT_TRUE(hasSymbol(Symbol));