[Issue 1170] Cannot forward reference a type defined in a MixinStatement

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=1170



--- Comment #5 from Rainer Schuetze <r.sagitario at gmx.de> 2009-10-13 01:41:54 PDT ---
As it seems, a patch has crawled into DMD 2.033 that is supposed to fix the
second issue described in comment 1. This is line 887 in module.c (in dmd
2.034)

else if (searchCacheIdent == ident && searchCacheFlags == flags &&
searchCacheSymbol)

where searchCacheSymbol has been added to allow finding symbols that have been
added after the last search.

Though this fixes the issue, it has a bad impact on identifier lookup time,
especially with a lot of imports, worst with cyclic imports. This is because
with this change, not finding an identifier is always expensive, but it is the
most common result.

This has now shown up with qtd causing the build to lock-up with continuously
searching identifiers.  I'd still suggest a change along the lines of the patch
posted in this issue.

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