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src/gdb ChangeLog ada-lang.c testsuite/ChangeL ...


CVSROOT:	/cvs/src
Module name:	src
Changes by:	brobecke@sourceware.org	2011-07-01 18:26:50

Modified files:
	gdb            : ChangeLog ada-lang.c 
	gdb/testsuite  : ChangeLog 
Added files:
	gdb/testsuite/gdb.ada: same_enum.exp 
	gdb/testsuite/gdb.ada/same_enum: a.adb pck.adb pck.ads 

Log message:
	treat identical enum types as the same type
	
	This is to avoid an unnecessary multiple-choice menu for an
	expression involving an enumeral declared in two types, when
	the second type is an identical copy of the first type. This
	happens in the following situation:
	
	type Color is (Black, Red, Green, Blue, White);
	type RGB_Color is new Color range Red .. Blue;
	
	In that case, an implict type is created, and is used as the base
	type for type RGB_Color.  This base type is a copy of type Color.
	We've added some extensive comments explaining the situation and
	our approach further.
	
	gdb/ChangeLog:
	
	* ada-lang.c (ada_identical_enum_types_p): New function.
	(symbols_are_identical_enums): New function.
	(remove_extra_symbols): Do nothing if NSYMS < 2.
	Use symbols_are_identical_enums.
	
	gdb/testsuite/ChangeLog:
	
	* gdb.ada/same_enum: New testcase.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.13138&r2=1.13139
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ada-lang.c.diff?cvsroot=src&r1=1.303&r2=1.304
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/ChangeLog.diff?cvsroot=src&r1=1.2767&r2=1.2768
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.ada/same_enum.exp.diff?cvsroot=src&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.ada/same_enum/a.adb.diff?cvsroot=src&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.ada/same_enum/pck.adb.diff?cvsroot=src&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.ada/same_enum/pck.ads.diff?cvsroot=src&r1=NONE&r2=1.1


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