C++程序  |  22行  |  493 B

// RUN: %clang_cc1 -fexceptions -fcxx-exceptions -fsyntax-only -verify %s

class C {
public:
  C(int a, int b);
};

C::C(int a, // expected-note {{previous definition}}
     int b) // expected-note {{previous definition}}
try {
  int c;
} catch (int a) { // expected-error {{redefinition of 'a'}}
  int b; // expected-error {{redefinition of 'b'}}
  ++c; // expected-error {{use of undeclared identifier 'c'}}
}

void f(int i) {
  struct S {
    void g() try {} catch (int i) {}; // OK
  };
}