1 files changed, 80 insertions, 0 deletions
diff --git a/clang/test/FixIt/fixit-vexing-parse.cpp b/clang/test/FixIt/fixit-vexing-parse.cpp
new file mode 100644
index 00000000000..0f0505f983c
--- /dev/null
+++ b/clang/test/FixIt/fixit-vexing-parse.cpp
@@ -0,0 +1,80 @@
+// RUN: %clang_cc1 -verify -x c++ %s
+// RUN: %clang_cc1 -fdiagnostics-parseable-fixits -x c++ %s 2>&1 | FileCheck %s
+
+struct S {
+  int n;
+};
+
+struct T {
+  T();
+  int n;
+};
+
+struct U {
+  ~U();
+  int n;
+};
+
+struct V {
+  ~V();
+};
+
+struct W : V {
+};
+
+struct X : U {
+};
+
+int F1();
+S F2();
+
+namespace N {
+  void test() {
+    // CHECK: fix-it:"{{.*}}":{34:9-34:11}:" = {}"
+    S s1(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
+
+    // CHECK: fix-it:"{{.*}}":{38:9-38:10}:";"
+    // CHECK: fix-it:"{{.*}}":{39:7-39:9}:" = {}"
+    S s2, // expected-note {{change this ',' to a ';' to call 'F2'}}
+    F2(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
+
+    // CHECK: fix-it:"{{.*}}":{43:9-43:11}:""
+    // CHECK: fix-it:"{{.*}}":{44:9-44:11}:""
+    T t1(), // expected-warning {{function declaration}} expected-note {{remove parentheses}}
+      t2(); // expected-warning {{function declaration}} expected-note {{remove parentheses}}
+
+    // CHECK: fix-it:"{{.*}}":{47:8-47:10}:" = {}"
+    U u(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
+
+    // CHECK: fix-it:"{{.*}}":{50:8-50:10}:""
+    V v(); // expected-warning {{function declaration}} expected-note {{remove parentheses}}
+
+    // CHECK: fix-it:"{{.*}}":{53:8-53:10}:""
+    W w(); // expected-warning {{function declaration}} expected-note {{remove parentheses}}
+
+    // TODO: Removing the parens here would not initialize U::n.
+    // Maybe suggest an " = X()" initializer for this case?
+    // Maybe suggest removing the parens anyway?
+    X x(); // expected-warning {{function declaration}}
+
+    // CHECK: fix-it:"{{.*}}":{61:11-61:13}:" = 0"
+    int n1(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
+
+    // CHECK: fix-it:"{{.*}}":{65:11-65:12}:";"
+    // CHECK: fix-it:"{{.*}}":{66:7-66:9}:" = 0"
+    int n2, // expected-note {{change this ',' to a ';' to call 'F1'}}
+    F1(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
+
+    // CHECK: fix-it:"{{.*}}":{69:13-69:15}:" = 0.0"
+    double d(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
+
+    typedef void *Ptr;
+
+    // CHECK: fix-it:"{{.*}}":{74:10-74:12}:" = 0"
+    Ptr p(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
+
+#define NULL 0
+    // CHECK: fix-it:"{{.*}}":{78:10-78:12}:" = NULL"
+    Ptr p(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
+  }
+}