[AArch64/arm] PR testsuite/85326 Avoid C++ tests when C++ compiler not present

[AArch64/arm] PR testsuite/85326 Avoid C++ tests when C++ compiler not present

	PR testsuite/85326
	* gcc.target/arm/pr54300.C: Move to...
	* g++.dg/other/pr54300.C: ... Here.  Add target directives.
	* gcc.target/arm/pr55073.C: Move to...
	* g++.dg/other/pr55073.C: ... Here.  Add target directives.
	* gcc.target/arm/pr56184.C: Move to...
	* g++.dg/other/pr56184.C: ... Here.  Add target directives.
	* gcc.target/arm/pr59985.C: Move to...
	* g++.dg/other/pr59985.C: ... Here.  Add target directives.
	* gcc.target/aarch64/pr60675.C: Move to...
	* g++.dg/other/pr60675.C: ... Here.  Add target directives.
	* gcc.target/aarch64/pr81422.C: Move to...
	* g++.dg/other/pr81422.C: ... Here.  Add target directives.
	* gcc.target/aarch64/sve/const_pred_1.C: Move to...
	* g++.dg/other/sve_const_pred_1.C: ... Here.  Add target directives.
	* gcc.target/aarch64/sve/const_pred_2.C: Move to...
	* g++.dg/other/sve_const_pred_2.C: ... Here.  Add target directives.
	* gcc.target/aarch64/sve/const_pred_3.C: Move to...
	* g++.dg/other/sve_const_pred_3.C: ... Here.  Add target directives.
	* gcc.target/aarch64/sve/const_pred_4.C: Move to...
	* g++.dg/other/sve_const_pred_4.C: ... Here.  Add target directives.
	* gcc.target/aarch64/sve/tls_2.C: Move to...
	* g++.dg/other/sve_tls_2.C: ... Here.  Add target directives.
	* gcc.target/aarch64/pr81414.C: Rename to...
	* gcc.target/aarch64/pr81414.c: ... This.
	* gcc.target/aarch64/simd/pr67896.C: Rename to...
	* gcc.target/aarch64/simd/pr67896.c: ... This.  Update error expected
	messages.
	* gcc.target/aarch64/sve/vcond_1.C: Rename to...
	* gcc.target/aarch64/sve/vcond_1.c: ... This.  Avoid use of stdint.h.
	* gcc.target/aarch64/sve/vcond_1_run.C: Rename to...
	* gcc.target/aarch64/sve/vcond_1_run.c: ... This.  Update include
	file name.

From-SVN: r259435