Andrew Burgess e707fc445e gdb: Don't store a thread-id for floating varobj
When creating a varobj with -var-create a user can create either fixed
varobj, or floating varobj.

A fixed varobj will always be evaluated within the thread/frame/block in
which the varobj was created, if that thread/frame/block is no longer
available then the varobj is considered out of scope.

A floating varobj will always be evaluated within the current
thread/frame/block.

Despite never using them GDB was storing the thread/frame/block into a
floating varobj, and the thread-id would then be displayed when GDB
reported on the state of the varobj, this could confuse a user into
thinking that the thread-id was relevant.

This commit prevents GDB storing the thread/frame/block onto floating
varobj, and updates the few tests where this impacts the results.

gdb/ChangeLog:

	* varobj.c (varobj_create): Don't set valid_block when creating a
	floating varobj.

gdb/testsuite/ChangeLog:

	* gdb.python/py-mi.exp: Don't expect a thread-id for floating
	varobj.
	* gdb.mi/mi-var-create-rtti.exp: Likewise.
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		   README for GNU development tools

This directory contains various GNU compilers, assemblers, linkers, 
debuggers, etc., plus their support routines, definitions, and documentation.

If you are receiving this as part of a GDB release, see the file gdb/README.
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Description
Yggdrasil port of GNU Binutils
Readme 418 MiB