From 625c0d478525e9cce6a186206c228c09cd69ab9b Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Fri, 11 Nov 2011 15:07:57 +0000 Subject: [PATCH] PR c++/9257: * gdb.texinfo (Print Settings): Add an extra note about the need for a vtable. --- gdb/doc/ChangeLog | 6 ++++++ gdb/doc/gdb.texinfo | 5 ++++- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index 05cf4fadc18..b962215a9e4 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,9 @@ +2011-11-10 Tom Tromey + + PR c++/9257: + * gdb.texinfo (Print Settings): Add an extra note about the need + for a vtable. + 2011-11-08 Maciej W. Rozycki * gdb.texinfo (MIPS): Remove duplicate "auto" reference from diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index d2bdefa3e1f..e898b4e4ee9 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -8372,7 +8372,10 @@ Display the encoding style currently in use for decoding C@t{++} symbols. @cindex display derived types When displaying a pointer to an object, identify the @emph{actual} (derived) type of the object rather than the @emph{declared} type, using -the virtual function table. +the virtual function table. Note that the virtual function table is +required---this feature can only work for objects that have run-time +type identification; a single virtual method in the object's declared +type is sufficient. @item set print object off Display only the declared type of objects, without reference to the -- 2.30.2