diff --git a/clang/docs/LibASTMatchersReference.html b/clang/docs/LibASTMatchersReference.html index d0a865283ef4..c1554656011a 100644 --- a/clang/docs/LibASTMatchersReference.html +++ b/clang/docs/LibASTMatchersReference.html @@ -4123,6 +4123,18 @@ varDecl(isExternC()) +Matcher<VarDecl>isStaticLocal +
Matches a static variable with local scope.
+
+Example matches y (matcher = varDecl(isStaticLocal()))
+void f() {
+  int x;
+  static int y;
+}
+static int z;
+
+ + Matcher<VarDecl>isStaticStorageClass
Matches variablefunction declarations that have "static" storage
 class specifier ("static" keyword) written in the source.
diff --git a/clang/include/clang/ASTMatchers/ASTMatchers.h b/clang/include/clang/ASTMatchers/ASTMatchers.h
index 3f8690bd8ae7..6635f25d5572 100644
--- a/clang/include/clang/ASTMatchers/ASTMatchers.h
+++ b/clang/include/clang/ASTMatchers/ASTMatchers.h
@@ -3300,6 +3300,20 @@ AST_MATCHER_P(
           InnerMatcher.matches(*Initializer, Finder, Builder));
 }
 
+/// \brief Matches a static variable with local scope.
+///
+/// Example matches y (matcher = varDecl(isStaticLocal()))
+/// \code
+/// void f() {
+///   int x;
+///   static int y;
+/// }
+/// static int z;
+/// \endcode
+AST_MATCHER(VarDecl, isStaticLocal) {
+  return Node.isStaticLocal();
+}
+
 /// Matches a variable declaration that has function scope and is a
 /// non-static local variable.
 ///
diff --git a/clang/lib/ASTMatchers/Dynamic/Registry.cpp b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
index d52c46aa1eb3..318f39dee94e 100644
--- a/clang/lib/ASTMatchers/Dynamic/Registry.cpp
+++ b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
@@ -378,6 +378,7 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(isPure);
   REGISTER_MATCHER(isScoped);
   REGISTER_MATCHER(isSignedInteger);
+  REGISTER_MATCHER(isStaticLocal);
   REGISTER_MATCHER(isStaticStorageClass);
   REGISTER_MATCHER(isStruct);
   REGISTER_MATCHER(isTemplateInstantiation);
diff --git a/clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
index 39a5d5772919..e37bcbeec1f3 100644
--- a/clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
@@ -667,6 +667,14 @@ TEST(Matcher, VarDecl_Storage) {
   EXPECT_TRUE(matches("void f() { static int X; }", M));
 }
 
+TEST(Matcher, VarDecl_IsStaticLocal) {
+  auto M = varDecl(isStaticLocal());
+  EXPECT_TRUE(matches("void f() { static int X; }", M));
+  EXPECT_TRUE(notMatches("static int X;", M));
+  EXPECT_TRUE(notMatches("void f() { int X; }", M));
+  EXPECT_TRUE(notMatches("int X;", M));
+}
+
 TEST(Matcher, VarDecl_StorageDuration) {
   std::string T =
     "void f() { int x; static int y; } int a;static int b;extern int c;";