Add more tests for crashes that happend to be fixed by r229288.

llvm-svn: 229294

1 files changed, 214 insertions, 0 deletions

diff --git a/clang/test/Parser/recovery.cpp b/clang/test/Parser/recovery.cpp
index e69de29bb2d..2d5b518c691 100644
--- a/clang/test/Parser/recovery.cpp
+++ b/clang/test/Parser/recovery.cpp
@@ -0,0 +1,214 @@
+// RUN: %clang_cc1 -verify -std=c++11 -fms-extensions %s
+
+8gi///===--- recovery.cpp ---===// // expected-error {{unqualified-id}}
+namespace Std { // expected-note {{here}}
+  typedef int Important;
+}
+
+/ redeclare as an inline namespace // expected-error {{unqualified-id}}
+inline namespace Std { // expected-error {{cannot be reopened as inline}}
+  Important n;
+} / end namespace Std // expected-error {{unqualified-id}}
+int x;
+Std::Important y;
+
+extenr "C" { // expected-error {{did you mean 'extern'}}
+  void f();
+}
+void g() {
+  z = 1; // expected-error {{undeclared}}
+  f();
+}
+
+struct S {
+  int a, b, c;
+  S();
+  int x // expected-error {{expected ';'}}
+  friend void f()
+};
+8S::S() : a{ 5 }, b{ 6 }, c{ 2 } { // expected-error {{unqualified-id}}
+  return;
+}
+int k;
+int l = k // expected-error {{expected ';'}}
+constexpr int foo();
+
+5int m = { l }, n = m; // expected-error {{unqualified-id}}
+
+namespace MissingBrace {
+  struct S { // expected-error {{missing '}' at end of definition of 'MissingBrace::S'}}
+    int f();
+  // };
+
+  namespace N { int g(); } // expected-note {{still within definition of 'MissingBrace::S' here}}
+
+  int k1 = S().h(); // expected-error {{no member named 'h' in 'MissingBrace::S'}}
+  int k2 = S().f() + N::g();
+
+  template<typename T> struct PR17949 { // expected-error {{missing '}' at end of definition of 'MissingBrace::PR17949'}}
+
+  namespace X { // expected-note {{still within definition of 'MissingBrace::PR17949' here}}
+  }
+}
+
+namespace N {
+  int
+} // expected-error {{unqualified-id}}
+
+strcut Uuuu { // expected-error {{did you mean 'struct'}} \
+              // expected-note {{'Uuuu' declared here}}
+} *u[3];
+uuuu v; // expected-error {{did you mean 'Uuuu'}}
+
+struct Redefined { // expected-note {{previous}}
+  Redefined() {}
+};
+struct Redefined { // expected-error {{redefinition}}
+  Redefined() {}
+};
+
+struct MissingSemi5;
+namespace N {
+  typedef int afterMissingSemi4;
+  extern MissingSemi5 afterMissingSemi5;
+}
+
+struct MissingSemi1 {} // expected-error {{expected ';' after struct}}
+static int afterMissingSemi1();
+
+class MissingSemi2 {} // expected-error {{expected ';' after class}}
+MissingSemi1 *afterMissingSemi2;
+
+enum MissingSemi3 {} // expected-error {{expected ';' after enum}}
+::MissingSemi1 afterMissingSemi3;
+
+extern N::afterMissingSemi4 afterMissingSemi4b;
+union MissingSemi4 { MissingSemi4(int); } // expected-error {{expected ';' after union}}
+N::afterMissingSemi4 (afterMissingSemi4b);
+
+int afterMissingSemi5b;
+struct MissingSemi5 { MissingSemi5(int); } // ok, no missing ';' here
+N::afterMissingSemi5 (afterMissingSemi5b);
+
+template<typename T> struct MissingSemiT {
+} // expected-error {{expected ';' after struct}}
+MissingSemiT<int> msi;
+
+struct MissingSemiInStruct {
+  struct Inner1 {} // expected-error {{expected ';' after struct}}
+  static MissingSemi5 ms1;
+
+  struct Inner2 {} // ok, no missing ';' here
+  static MissingSemi1;
+
+  struct Inner3 {} // expected-error {{expected ';' after struct}}
+  static MissingSemi5 *p;
+};
+
+void MissingSemiInFunction() {
+  struct Inner1 {} // expected-error {{expected ';' after struct}}
+  if (true) {}
+
+  // FIXME: It would be nice to at least warn on this.
+  struct Inner2 { Inner2(int); } // ok, no missing ';' here
+  k = l;
+
+  struct Inner3 {} // expected-error {{expected ';' after struct}}
+  Inner1 i1;
+
+  struct Inner4 {} // ok, no missing ';' here
+  Inner5;
+}
+
+namespace NS {
+  template<typename T> struct Foo {};
+}
+struct MissingSemiThenTemplate1 {} // expected-error {{expected ';' after struct}}
+NS::Foo<int> missingSemiBeforeFunctionReturningTemplateId1();
+
+using NS::Foo;
+struct MissingSemiThenTemplate2 {} // expected-error {{expected ';' after struct}}
+Foo<int> missingSemiBeforeFunctionReturningTemplateId2();
+
+namespace PR17084 {
+enum class EnumID {};
+template <typename> struct TempID;
+template <> struct TempID<BadType> : BadType, EnumID::Garbage; // expected-error{{use of undeclared identifier 'BadType'}}
+}
+
+namespace pr15133 {
+  namespace ns {
+    const int V1 = 1;   // expected-note {{declared here}}
+  }
+  struct C1 {
+    enum E1 { V2 = 2 }; // expected-note {{declared here}}
+    static const int V3 = 3; // expected-note {{declared here}}
+  };
+  enum E2 {
+    V4 = 4,   // expected-note {{declared here}}
+    V6        // expected-note {{declared here}}
+  };
+  enum class EC3 { V0 = 0, V5 = 5 }; // expected-note {{declared here}}
+  void func_3();
+
+  void func_1(int x) {
+    switch(x) {
+    case 0: break;
+    case ns::V1:: break; // expected-error{{'V1' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}}
+    case C1::V2:: break; // expected-error{{'V2' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}}
+    case C1::V3:: break; // expected-error{{'V3' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}}
+    case V4:: break; // expected-error{{'V4' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}}
+    case V6:: func_3();   // expected-error{{'V6' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}}
+    }
+  }
+  void func_2(EC3 x) {
+    switch(x) {
+    case EC3::V0:  break;
+    case EC3::V5:: break; // expected-error{{'V5' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}}
+    }
+  }
+
+  template<class T> struct TS1 {
+    typedef int A;
+  };
+  template<class T> void func(int x) {
+    switch(x) {
+    case TS1<T>::A:: break;  // expected-error{{expected unqualified-id}}
+    }
+  };
+  void mainf() {
+    func<int>(1);
+  }
+
+  struct S {
+    static int n;  // expected-note{{declared here}}
+    int nn;        // expected-note 2 {{declared here}}
+  };
+
+  int func_3(int x) {
+    return x ? S::n :: 0;  // expected-error{{'n' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}}
+  }
+  int func_4(int x, S &s) {
+    return x ? s.nn :: x;  // expected-error{{'nn' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}}
+  }
+  int func_5(int x, S &s) {
+    return x ? s.nn :: S::n;  // expected-error{{'nn' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}}
+  }
+
+  struct S2 {
+    struct S3;
+  };
+
+  struct S2 :: S3 :: public S2 {  // expected-error{{'public' cannot be a part of nested name specifier; did you mean ':'?}}
+  };
+}
+
+namespace InvalidEmptyNames {
+// These shouldn't crash, the diagnostics aren't important.
+struct ::, struct ::; // expected-error 2 {{expected identifier}} expected-error 2 {{declaration of anonymous struct must be a definition}} expected-warning {{declaration does not declare anything}}
+enum ::, enum ::; // expected-error 2 {{expected identifier}} expected-warning {{declaration does not declare anything}}
+struct ::__super, struct ::__super; // expected-error 2 {{expected identifier}} expected-error 2 {{expected '::' after '__super'}}
+struct ::template foo, struct ::template bar; // expected-error 2 {{expected identifier}} expected-error 2 {{declaration of anonymous struct must be a definition}} expected-warning {{declaration does not declare anything}}
+struct ::foo struct::; // expected-error {{no struct named 'foo' in the global namespace}} expected-error {{expected identifier}} expected-error {{declaration of anonymous struct must be a definition}}
+class :: : {} a;  // expected-error {{expected identifier}} expected-error {{expected class name}}
+}