pack-test-5.c: Add -mno-ms-bitfields option for mingw-targets.

pack-test-5.c: Add -mno-ms-bitfields option for mingw-targets.

	* gcc.dg/pack-test-5.c: Add -mno-ms-bitfields option
	for mingw-targets.
	* gcc.dg/Wpadded.c: Likewise.
	* gcc.dg/bf-ms-layout-2.c: Adjust offsets to fit ms-bitfield
	structure-layout.
	* gcc.dg/di-sync-multithread.c: Replace for mingw-target the use
	for sleep by Sleep and add windows.h include for this function.
	* gcc.dg/format/dfp-printf-1.c: Adjust dg-skip-if rule for mingw
	targets.
	* gcc.dg/stack-usage-1.c (SIZE): Provide proper SIZE for x64 mingw
	target.
	* gcc.dg/tls/thr-cse-1.c: Provide proper pattern for x64 mingw
	target.
	* gcc.dg/tls/opt-11.c (memset): Use __extension__ to avoid fail
	on x64 mingw target.
	* gcc.dg/bf-ms-attrib.c: Adjust expected size for ms_struct layout.
	* gcc.dg/pr50251.c: Disable test for x64 mingw target.
	* gcc.c-torture/execute/930930-1.c (long): Replace by ptr_t to avoid
	failure on LLP64 target.

From-SVN: r184519