2012-10-03 Ed Schonberg <schonberg@adacore.com>

2012-10-03  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (New_Overloaded_Entity): call
	Append_Inherited_Subprogram when appropriate.
	* sem_dim.adb (Analyze_Dimension_Call): Do not perform dimensional
	analysis if call has previous semantic error.
	* sem_util.ads, sem_util.adb (Append_Inherited_Subprogram):
	new subprogram to handle properly the visibility of inherited
	operations that are primitives of a type extension, when the
	parent type and operations are declared in the same visible part.

2012-10-03  Robert Dewar  <dewar@adacore.com>

	* checks.adb (Minimize_Eliminate_Overflow_Checks): Properly
	handle case of top level expression within type conversion
	* gnat1drv.adb (Adjust_Global_Switches): Set SUPPRESSED as
	default for overflow checking for -gnatg mode (includes run-time).
	* sem_res.adb (Resolve_Type_Conversion): Avoid bogus warnings
	about redundant conversions from MINIMIZED/EXTENDED mode checking

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@192029 138bc75d-0d04-0410-961f-82ee72b054a4