OpenACC: Improve implicit mapping for non-lexically nested offload regions: Adjust...

OpenACC: Improve implicit mapping for non-lexically nested offload regions: Adjust cherry-picked test cases

Adjust cherry-picked test cases per
OG14 commit b918a7e4b4bdf070bfa9ede48ef9d22f89ff7795
"OpenACC: Improve implicit mapping for non-lexically nested offload regions"
(in combination with
OG14 commit 5fb2987d33c7296543fa7b8dbeab597fc552b110
"Clarify 'OMP_CLAUSE_MAP_RUNTIME_IMPLICIT_P' in 'gcc/tree-pretty-print.cc:dump_omp_clause'"
(cherry picked from trunk commit d6e66e7b3a40315ad303344e19bccb4006c51cac)).

	libgomp/
	* testsuite/libgomp.oacc-c++/exceptions-bad_cast-3.C: Adjust.
	* testsuite/libgomp.oacc-c++/exceptions-throw-3.C: Likewise.
	* testsuite/libgomp.oacc-c++/pr119692-1-1.C: Likewise.
	* testsuite/libgomp.oacc-c++/pr119692-1-2.C: Likewise.
	* testsuite/libgomp.oacc-c++/pr119692-1-3.C: Likewise.