view gcc/testsuite/g++.dg/cpp0x/lambda/lambda-deduce-ext-neg.C @ 145:1830386684a0

gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 04ced10e8804
children
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line source

// Testcase for DR 975.

// { dg-do compile { target c++11 } }

bool b;
struct A { int fn1(); const int& fn2(); };
struct B { int fn1(); long fn2(); };

template <class T> int f (T t) {
  return [](T t){
    if (b)
      return t.fn1();
    else
      return t.fn2();		// { dg-error "19:inconsistent types" }
  }(t);
}

int main()
{
  f(A());			// { dg-bogus "" } int and const int& are compatible
  f(B());			// { dg-message "from here" } int and long are not
}