[clang] [OpenMP] Allow OMP6.0 features. (PR #122108)

[Saiyedul Islam via cfe-commits]

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@@ -69,11 +80,11 @@ void c();
 
 void func() {} // expected-note {{'func' defined here}}
 
-#pragma omp declare target link(func) allocate(a) // expected-error {{function name is not allowed in 'link' clause}} omp45-error {{unexpected 'allocate' clause, only 'to' or 'link' clauses expected}} omp5-error {{unexpected 'allocate' clause, only 'to', 'link' or 'device_type' clauses expected}} omp51-error {{unexpected 'allocate' clause, only 'to', 'link', 'device_type' or 'indirect' clauses expected}} omp52-error {{unexpected 'allocate' clause, only 'enter', 'link', 'device_type' or 'indirect' clauses expected}}
+#pragma omp declare target link(func) allocate(a) // expected-error {{function name is not allowed in 'link' clause}} omp45-error {{unexpected 'allocate' clause, only 'to' or 'link' clauses expected}} omp5-error {{unexpected 'allocate' clause, only 'to', 'link' or 'device_type' clauses expected}} omp6-error {{unexpected 'allocate' clause, only 'enter', 'link', 'device_type' or 'indirect' clauses expected}} omp51-error {{unexpected 'allocate' clause, only 'to', 'link', 'device_type' or 'indirect' clauses expected}} omp52-error {{unexpected 'allocate' clause, only 'enter', 'link', 'device_type' or 'indirect' clauses expected}}
 
 void bar();
 void baz() {bar();}
-#pragma omp declare target(bar) // omp5-warning {{declaration marked as declare target after first use, it may lead to incorrect results}} // omp51-warning {{declaration marked as declare target after first use, it may lead to incorrect results}} omp52-warning {{declaration marked as declare target after first use, it may lead to incorrect results}}
+#pragma omp declare target(bar) // omp5-warning {{declaration marked as declare target after first use, it may lead to incorrect results}} omp6-warning {{declaration marked as declare target after first use, it may lead to incorrect results}} // omp51-warning {{declaration marked as declare target after first use, it may lead to incorrect results}} omp52-warning {{declaration marked as declare target after first use, it may lead to incorrect results}}
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saiislam wrote:

Please follow previous order (5, 51, 52) of adding warnings.

https://github.com/llvm/llvm-project/pull/122108