[Issue 7978] UTF exception (memory corruption?) using std.range.chain (behavior changes with -g)

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=7978



--- Comment #5 from Brad Anderson <eco at gnuk.net> 2012-12-28 13:58:24 PST ---
(In reply to comment #4)
> Tested with 2.060 on DPaste:
> 
>      32 bits 64 bits.
> DMD  PASS(1) FAIL
> GDC  FAIL    PASS(2)
> LDC  FAIL    FAIL
> 
> (1) output: ["a", "b", "0", "1", "2"]
> (2) output: ["a", "b", "\x01\x000", "\x01\x001", "\x01\x002"])
> 
> http://dpaste.dzfl.pl/fork/2cd77316

I'd just like to add that the PASS cases are still incorrect (obviously since
the output differs). They do build though which is what someone reading this
should take "PASS" to mean. I just tried with DMD git (2.061 alpha-ish at the
moment) and it throws this error message now:

Error: function std.range.chain!(string[],MapResult!(__lambda2,
Result)).chain.Result.save cannot get frame pointer to gen

So at least the compiler seems to be somewhat aware of a frame pointer problem
now although it should be able to accept it by creating a closure for this bug
to be fixed.

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