Compilation issue
Russel Winder via digitalmars-d-ldc
digitalmars-d-ldc at puremagic.com
Tue Oct 20 10:17:20 PDT 2015
The construct:
immutable pi = 4.0 * delta * taskPool.reduce!"a + b"(map!((int i){
immutable x = (i - 0.5) * delta;
return 1.0 / (1.0 + x * x);})
(iota(1, n + 1)));
compiles fine with dmd 2.068.2. I believe it compiles fine with
LDC 0.14.0 as packaged in Debian Sid. However with LDC compiled from
Git master, 2.068 branch, I get:
/home/users/russel/Built/include/d/std/parallelism.d(2637): Error: cannot access frame pointer of pi_parallel_unbatched_reduce.main.MapResult!(__lambda2, Result).MapResult
/home/users/russel/Built/include/d/std/parallelism.d(2433): Error: function std.parallelism.TaskPool.reduce!"a + b".reduce!(MapResult!(__lambda2, Result)).reduce no return exp; or assert(0); at end of function
pi_parallel_unbatched_reduce.d(36): Error: template instance std.parallelism.TaskPool.reduce!"a + b".reduce!(MapResult!(__lambda2, Result)) error instantiating
LDC reports it's version as:
LDC - the LLVM D compiler (d85d25):
based on DMD v2.068.0 and LLVM 3.6.2
Default target: x86_64-pc-linux-gnu
Host CPU: penryn
http://dlang.org - http://wiki.dlang.org/LDC
Is this likely a real problem or is it some stupidity I have inflicted
on my set up?
--
Russel.
=============================================================================
Dr Russel Winder t: +44 20 7585 2200 voip: sip:russel.winder at ekiga.net
41 Buckmaster Road m: +44 7770 465 077 xmpp: russel at winder.org.uk
London SW11 1EN, UK w: www.russel.org.uk skype: russel_winder
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