gcc/testsuite/gdc.test/fail_compilation/tolvalue.d

/**
TEST_OUTPUT:
---
fail_compilation/tolvalue.d(28): Error: cannot take address of template `templateFunc(T)()`, perhaps instantiate it first
fail_compilation/tolvalue.d(29): Error: cannot take address of type `int`
fail_compilation/tolvalue.d(30): Error: cannot take address of constant `3`
fail_compilation/tolvalue.d(31): Error: cannot take address of operator `$`
fail_compilation/tolvalue.d(32): Error: cannot take address of compiler-generated variable `__ctfe`
fail_compilation/tolvalue.d(33): Error: cannot take address of manifest constant `f`
fail_compilation/tolvalue.d(38): Error: cannot create default argument for `ref` / `out` parameter from constant `3`
fail_compilation/tolvalue.d(39): Error: cannot create default argument for `ref` / `out` parameter from compiler-generated variable `__ctfe`
fail_compilation/tolvalue.d(40): Error: cannot create default argument for `ref` / `out` parameter from manifest constant `f`
fail_compilation/tolvalue.d(45): Error: cannot modify constant `3`
fail_compilation/tolvalue.d(46): Error: cannot modify compiler-generated variable `__ctfe`
fail_compilation/tolvalue.d(47): Error: cannot modify manifest constant `f`
---
*/

// https://issues.dlang.org/show_bug.cgi?id=24238

void templateFunc(T)() {}
alias intAlias = int;
enum E { f }

void addr()
{
    int[] a;
    auto x0 = &templateFunc;
    auto x1 = &intAlias;
    auto x2 = &3;
    auto x3 = a[&$];
    auto x4 = &__ctfe;
    auto x6 = &E.f;
}

void refArg()
{
    void f0(ref int = 3) {}
    void f1(ref bool = __ctfe) {}
    void f3(ref E = E.f) {}
}

void inc(int lz)
{
    3++;
    __ctfe++;
    E.f++;
}