changelog: pull request 427

- fbc: command line option '-z optabstract' to support
  optimizing purely abstract types, and only preserve used
  pure abstract types (skyfish)

Author: jayrm

changelog.txt

@@ -63,7 +63,8 @@ Version 1.20.0
 - fbc: intrinsic define __FB_OPTION_PROFILE__ to indicate if profiling is currently enabled for code generation
 - rtlib: ./fbc-int/profile.bi - extra features for working with the built-in profiler; ProfileSetFileName(), ProfileGetOptions(), ProfileSetOptions(). ProfileIgnore()
 - '-earraydims' command line option to enable array dimensions checking.  Enabled by default with '-exx' command line option.
-- github #426: add __FB_ARG_LISTEXPAND__( macroname, macroargcount, args... ): expands to one or more 'macroname( .... )' depending on the value of macroargcount and number of arguments in the args... list (skyfish)   
+- github #426: add __FB_ARG_LISTEXPAND__( macroname, macroargcount, args... ): expands to one or more 'macroname( .... )' depending on the value of macroargcount and number of arguments in the args... list (skyfish)
+- fbc: command line option '-z optabstract' to support optimizing purely abstract types, and only preserve used pure abstract types (skyfish)
 
 [fixed]
 - github #410: give consistent floating point comparisons results involving NaNs.

src/compiler/symb-comp.bas

@@ -827,7 +827,7 @@ sub symbUdtImplementDefaultMembers _
 		'' (for which the rtlib already contains these declarations)
 		if( udt <> symb.rtti.fb_object ) then
 			dim as integer iRet = hBuildRtti( udt )
-			hBuildVtable( udt )	
+			hBuildVtable( udt )
 			if iRet = FALSE then return
 		end if
 	end if