[Issue 5524] New: [CTFE] Trouble with typesafe variadic function

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=5524

           Summary: [CTFE] Trouble with typesafe variadic function
           Product: D
           Version: D2
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Keywords: rejects-valid
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nob...@puremagic.com
        ReportedBy: bearophile_h...@eml.cc


--- Comment #0 from bearophile_h...@eml.cc 2011-02-04 10:30:31 PST ---
Andrej Mitrovic has found this D2 code produces errors:

import std.path : join;
enum rootdir = r"C:\Path\";
enum testdir = join(rootdir, "simple");
void main() {}



I have reduced that bug to:

int foo(int x, int y, int[] more...) {
    return 0;
}
enum r = foo(0, 0);
void main() {}


DMD 2.051 prints:
test.d(4): Error: variable __arrayArg1 is used before initialization
test.d(4): Error: cannot evaluate foo(0,0,(int[0u] __arrayArg1 = void;

 , cast(int[])__arrayArg1)) at compile time
test.d(4): Error: cannot evaluate foo(0,0,(int[0u] __arrayArg1 = void;

 , cast(int[])__arrayArg1)) at compile time

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