diagnostics: eliminate ::diagnostic_info typedef

diagnostics: eliminate ::diagnostic_info typedef

No functional change intended.

gcc/c-family/ChangeLog:
	* c-common.cc: Update usage of "diagnostic_info" to explicitly
	refer to "diagnostics::diagnostic_info".
	* c-opts.cc: Likewise.

gcc/c/ChangeLog:
	* c-errors.cc: Update usage of "diagnostic_info" to explicitly
	refer to "diagnostics::diagnostic_info".

gcc/cp/ChangeLog:
	* constexpr.cc: Update usage of "diagnostic_info" to explicitly
	refer to "diagnostics::diagnostic_info".
	* cp-tree.h: Likewise.
	* error.cc: Likewise.
	* module.cc: Likewise.

gcc/d/ChangeLog:
	* d-diagnostic.cc: Likewise.

gcc/ChangeLog:
	* diagnostic.h: Eliminate "diagnostic_info" typedef.
	* diagnostics/context.cc: Update usage of "diagnostic_info" to
	explicitly refer to "diagnostics::diagnostic_info".
	* langhooks.cc: Likewise.
	* libgdiagnostics.cc: Likewise.
	* rtl-error.cc: Likewise.
	* substring-locations.cc: Likewise.
	* toplev.cc: Likewise.
	* tree-diagnostic.cc: Likewise.
	* tree-diagnostic.h: Likewise.

gcc/fortran/ChangeLog:
	* cpp.cc: Update usage of "diagnostic_info" to explicitly refer to
	"diagnostics::diagnostic_info".
	* error.cc: Likewise.

gcc/jit/ChangeLog:
	* dummy-frontend.cc: Update usage of "diagnostic_info" to
	explicitly refer to "diagnostics::diagnostic_info".

gcc/m2/ChangeLog:
	* gm2-gcc/m2linemap.cc: Update usage of "diagnostic_info" to
	explicitly refer to "diagnostics::diagnostic_info".
	* gm2-gcc/rtegraph.cc: Likewise.

gcc/rust/ChangeLog:
	* resolve/rust-ice-finalizer.cc: Update usage of "diagnostic_info"
	to explicitly refer to "diagnostics::diagnostic_info".
	* resolve/rust-ice-finalizer.h: Likewise.

gcc/testsuite/ChangeLog:
	* g++.dg/plugin/show_template_tree_color_plugin.cc: Update usage
	of "diagnostic_info" to explicitly refer to
	"diagnostics::diagnostic_info".
	* gcc.dg/plugin/diagnostic_group_plugin.cc: Likewise.
	* gcc.dg/plugin/diagnostic_plugin_test_show_locus.cc: Likewise.
	* gcc.dg/plugin/location_overflow_plugin.cc: Likewise.

libcc1/ChangeLog:
	* context.cc: Update usage of "diagnostic_info" to explicitly
	refer to "diagnostics::diagnostic_info".

Signed-off-by: David Malcolm <dmalcolm@redhat.com>