reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
// RUN: %clang_cc1 -verify %s

// FIXME: We could in principle support cases like this (particularly, cases
// where the statement-expression contains no labels).
template <typename... T> void f1() {
  int arr[] = {
    ({
      T(); // expected-error {{unexpanded parameter pack}}
    }) ... // expected-error {{does not contain any unexpanded parameter packs}}
  };
}

// FIXME: The error for this isn't ideal; it'd be preferable to say that pack
// expansion of a statement expression is not permitted.
template <typename... T> void f2() {
  [] {
    int arr[] = {
      T() + ({
      foo:
        T t; // expected-error {{unexpanded parameter pack}}
        goto foo;
        0;
      }) ...
    };
  };
}

template <typename... T> void f3() {
  ({
    int arr[] = {
      [] {
      foo:
        T t; // OK, expanded within compound statement
        goto foo;
        return 0;
      } ...
    };
  });
}