http://d.puremagic.com/issues/show_bug.cgi?id=5656
Summary: dmd fails to compile optimized foreach over a big enum
Product: D
Version: D2
Platform: x86_64
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: nob...@puremagic.com
ReportedBy: jens.k.muel...@gmx.de
--- Comment #0 from jens.k.muel...@gmx.de 2011-02-26 14:28:45 PST ---
Created an attachment (id=923)
Test program that fails to compile
Compiling the attached file with
$ dmd -O -c test.d
fails with
Internal error: ../ztc/blockopt.c 619
If you disable the optimization it works, i.e.
$ dmd -c test.d
If the enum contains more than 197 elements it fails. Don't know why this
number. Though such a big enum may be very artificial, you can run into the
same problem if you nest foreach of smaller enums (see the commented out code
in the attached file).
$ dmd | head -1
Digital Mars D Compiler v2.051
I could not reproduce the problem in dmd v2.039. But it also exists in v2.047.
I haven't checked any dmd between v2.039 and v2.047.
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