[Issue 12647] New: Lazy parameter evaluation should be marked as nothrow

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=12647

          Issue ID: 12647
           Summary: Lazy parameter evaluation should be marked as nothrow
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Keywords: rejects-valid
          Severity: normal
          Priority: P1
         Component: DMD
          Assignee: nob...@puremagic.com
          Reporter: k.hara...@gmail.com

This code should work, but doesn't.

void assertThrown(E)(lazy E expression)
{
    expression();
}

void main() nothrow
{
    assertThrown( 0 );
}


Currently lazy parameter evaluation `epxression()` is treated as @safe and
pure, but does not marked as nothrow. It's a bug.

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