File: instantiate-static-local.cpp

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,388 kB
  • sloc: cpp: 7,438,767; ansic: 1,393,871; asm: 1,012,926; python: 241,728; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (27 lines) | stat: -rw-r--r-- 602 bytes parent folder | download | duplicates (23) 
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
 
// RUN: %clang_cc1 -std=c++2a -x c++ %s -verify

namespace use_after_instantiation {
  template<int &R> struct A { static constexpr int &value = R; };

  template<typename = void> auto S() {
    static int s;
    return A<s>{};
  }

  auto &s = decltype(S())::value;

  // This is ill-formed, but it should not crash.
  // FIXME: Right now, it does crash.
  // expected-no-diagnostics
#if 0
  template<typename = void> auto T() {
    static int s;
    struct A {
      static constexpr int &value = s; // expected-error {{static}}
    };
    return A{};
  }

  auto &t = decltype(T())::value;
#endif
}