[clang] [clang][dataflow] Fully support Environment construction for Stmt analysis. (PR #91616)

[via cfe-commits]

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@@ -403,4 +405,35 @@ TEST_F(EnvironmentTest,
               Contains(Member));
 }
 
+TEST_F(EnvironmentTest, Stmt) {
+  using namespace ast_matchers;
+
+  std::string Code = R"cc(
+      struct S {int i;};
+      void foo() {
+        S AnS = S{1};
+      }
+    )cc";
+  auto Unit =
+      tooling::buildASTFromCodeWithArgs(Code, {"-fsyntax-only", "-std=c++11"});
+  auto &Context = Unit->getASTContext();
+
+  ASSERT_EQ(Context.getDiagnostics().getClient()->getNumErrors(), 0U);
+
+  auto *DeclStatement = const_cast<DeclStmt *>(
+      selectFirst<DeclStmt>("d", match(declStmt().bind("d"), Context)));
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martinboehme wrote:

Can we make this matcher a bit stronger, i.e. match against the name `AnS`?

https://github.com/llvm/llvm-project/pull/91616