Reword OpenMP diagnostics for style; NFC

Three different OpenMP diagnostics were starting with a capital letter,
so this makes them all lowercase and updates the tests accordingly.

clang/include/clang/Basic/DiagnosticSemaKinds.td

@@ -11335,18 +11335,18 @@ def err_omp_reduction_vla_unsupported : Error<
 def err_omp_linear_distribute_var_non_loop_iteration : Error<
   "only loop iteration variables are allowed in 'linear' clause in distribute directives">;
 def warn_omp_non_trivial_type_mapped : Warning<
-  "Type %0 is not trivially copyable and not guaranteed to be mapped correctly">,
+  "type %0 is not trivially copyable and not guaranteed to be mapped correctly">,
   InGroup<OpenMPMapping>;
 def err_omp_requires_clause_redeclaration : Error <
-  "Only one %0 clause can appear on a requires directive in a single translation unit">;
+  "only one %0 clause can appear on a requires directive in a single translation unit">;
 def note_omp_requires_previous_clause : Note <
   "%0 clause previously used here">;
 def err_omp_directive_before_requires : Error <
   "'%0' region encountered before requires directive with '%1' clause">;
 def note_omp_requires_encountered_directive : Note <
   "'%0' previously encountered here">;
 def err_omp_device_ancestor_without_requires_reverse_offload : Error <
-  "Device clause with ancestor device-modifier used without specifying 'requires reverse_offload'">;
+  "device clause with ancestor device-modifier used without specifying 'requires reverse_offload'">;
 def err_omp_invalid_scope : Error <
   "'#pragma omp %0' directive must appear only in file scope">;
 def note_omp_invalid_length_on_this_ptr_mapping : Note <

clang/test/OpenMP/distribute_firstprivate_messages.cpp

@@ -95,19 +95,19 @@ int main(int argc, char **argv) {
   for (i = 0; i < argc; ++i) foo();
   #pragma omp target
   #pragma omp teams
-  #pragma omp distribute firstprivate (a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}} expected-warning {{Type 'const S2' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{Type 'const S3' is not trivially copyable and not guaranteed to be mapped correctly}} expected-error {{incomplete type 'S1' where a complete type is required}} expected-error {{no matching constructor for initialization of 'S3'}}
+  #pragma omp distribute firstprivate (a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}} expected-warning {{type 'const S2' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{type 'const S3' is not trivially copyable and not guaranteed to be mapped correctly}} expected-error {{incomplete type 'S1' where a complete type is required}} expected-error {{no matching constructor for initialization of 'S3'}}
   for (i = 0; i < argc; ++i) foo();
   #pragma omp target
   #pragma omp teams
   #pragma omp distribute firstprivate (argv[1]) // expected-error {{expected variable name}}
   for (i = 0; i < argc; ++i) foo();
   #pragma omp target
   #pragma omp teams
-  #pragma omp distribute firstprivate(ba) // expected-warning {{Type 'const S2[5]' is not trivially copyable and not guaranteed to be mapped correctly}}
+  #pragma omp distribute firstprivate(ba) // expected-warning {{type 'const S2[5]' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i) foo();
   #pragma omp target
   #pragma omp teams
-  #pragma omp distribute firstprivate(ca) // expected-error {{no matching constructor for initialization of 'S3'}} expected-warning {{Type 'const S3[5]' is not trivially copyable and not guaranteed to be mapped correctly}}
+  #pragma omp distribute firstprivate(ca) // expected-error {{no matching constructor for initialization of 'S3'}} expected-warning {{type 'const S3[5]' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i) foo();
   #pragma omp target
   #pragma omp teams

clang/test/OpenMP/distribute_parallel_for_firstprivate_messages.cpp

@@ -119,7 +119,7 @@ int foomain(int argc, char **argv) {
     ++k;
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for firstprivate(a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}} expected-warning {{Type 'const S2' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for firstprivate(a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}} expected-warning {{type 'const S2' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (int k = 0; k < argc; ++k)
     ++k;
 #pragma omp target
@@ -129,7 +129,7 @@ int foomain(int argc, char **argv) {
     ++k;
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-warning {{Type 'S4' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{Type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-warning {{type 'S4' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (int k = 0; k < argc; ++k)
     ++k;
 #pragma omp target
@@ -241,7 +241,7 @@ int main(int argc, char **argv) {
     foo();
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}} expected-error {{incomplete type 'S1' where a complete type is required}} expected-warning {{Type 'const S2' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{Type 'const S3' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}} expected-error {{incomplete type 'S1' where a complete type is required}} expected-warning {{type 'const S2' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{type 'const S3' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i)
     foo();
 #pragma omp target
@@ -256,12 +256,12 @@ int main(int argc, char **argv) {
     foo();
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for firstprivate(ba) // expected-warning {{Type 'const S2[5]' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for firstprivate(ba) // expected-warning {{type 'const S2[5]' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i)
     foo();
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for firstprivate(ca) // expected-warning {{Type 'const S3[5]' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for firstprivate(ca) // expected-warning {{type 'const S3[5]' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i)
     foo();
 #pragma omp target
@@ -292,12 +292,12 @@ int main(int argc, char **argv) {
     foo();
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-warning {{Type 'S4' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{Type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-warning {{type 'S4' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i)
     foo();
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for firstprivate(m) // expected-warning {{Type 'S3' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for firstprivate(m) // expected-warning {{type 'S3' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i)
     foo();
 #pragma omp target
@@ -329,13 +329,13 @@ int main(int argc, char **argv) {
 // expected-error@+3 {{lastprivate variable cannot be firstprivate}} expected-note@+3 {{defined as lastprivate}}
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for lastprivate(g) firstprivate(g) // expected-warning {{Type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for lastprivate(g) firstprivate(g) // expected-warning {{type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i)
     foo();
 // expected-error@+3 {{lastprivate variable cannot be firstprivate}} expected-note@+3 {{defined as lastprivate}}
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for lastprivate(n) firstprivate(n) // expected-error {{calling a private constructor of class 'S6'}} expected-warning {{Type 'S6' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for lastprivate(n) firstprivate(n) // expected-error {{calling a private constructor of class 'S6'}} expected-warning {{type 'S6' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i)
     foo();
 #pragma omp parallel

clang/test/OpenMP/distribute_parallel_for_lastprivate_messages.cpp

@@ -119,7 +119,7 @@ int foomain(int argc, char **argv) {
     ++k;
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for lastprivate(a, b) // expected-error {{lastprivate variable with incomplete type 'S1'}} expected-warning {{Type 'const S2' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for lastprivate(a, b) // expected-error {{lastprivate variable with incomplete type 'S1'}} expected-warning {{type 'const S2' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (int k = 0; k < argc; ++k)
     ++k;
 #pragma omp target
@@ -129,7 +129,7 @@ int foomain(int argc, char **argv) {
     ++k;
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for lastprivate(e, g) // expected-error 2 {{calling a private constructor of class 'S4'}} expected-warning 2 {{Type 'S4' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for lastprivate(e, g) // expected-error 2 {{calling a private constructor of class 'S4'}} expected-warning 2 {{type 'S4' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (int k = 0; k < argc; ++k)
     ++k;
 #pragma omp target
@@ -228,7 +228,7 @@ int main(int argc, char **argv) {
     foo();
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for lastprivate(a, b, c, d, f) // expected-error {{lastprivate variable with incomplete type 'S1'}} expected-error 1 {{const-qualified variable without mutable fields cannot be lastprivate}} expected-error 2 {{const-qualified variable cannot be lastprivate}} expected-error {{incomplete type 'S1' where a complete type is required}} expected-warning {{Type 'const S2' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{Type 'const S3' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for lastprivate(a, b, c, d, f) // expected-error {{lastprivate variable with incomplete type 'S1'}} expected-error 1 {{const-qualified variable without mutable fields cannot be lastprivate}} expected-error 2 {{const-qualified variable cannot be lastprivate}} expected-error {{incomplete type 'S1' where a complete type is required}} expected-warning {{type 'const S2' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{type 'const S3' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i)
     foo();
 #pragma omp target
@@ -243,12 +243,12 @@ int main(int argc, char **argv) {
     foo();
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for lastprivate(ba) // expected-warning {{Type 'const S2[5]' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for lastprivate(ba) // expected-warning {{type 'const S2[5]' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i)
     foo();
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for lastprivate(ca) // expected-error {{const-qualified variable without mutable fields cannot be lastprivate}} expected-warning {{Type 'const S3[5]' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for lastprivate(ca) // expected-error {{const-qualified variable without mutable fields cannot be lastprivate}} expected-warning {{type 'const S3[5]' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i)
     foo();
 #pragma omp target
@@ -279,12 +279,12 @@ int main(int argc, char **argv) {
     foo();
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for lastprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-warning {{Type 'S4' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{Type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for lastprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-warning {{type 'S4' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i)
     foo();
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for lastprivate(m) // expected-error {{'operator=' is a private member of 'S3'}} expected-warning {{Type 'S3' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for lastprivate(m) // expected-error {{'operator=' is a private member of 'S3'}} expected-warning {{type 'S3' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i)
     foo();
 #pragma omp target
@@ -325,13 +325,13 @@ int main(int argc, char **argv) {
 // expected-error@+3 {{firstprivate variable cannot be lastprivate}} expected-note@+3 {{defined as firstprivate}}
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for firstprivate(m) lastprivate(m) // expected-warning {{Type 'S3' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for firstprivate(m) lastprivate(m) // expected-warning {{type 'S3' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i)
     foo();
 // expected-error@+3 {{lastprivate variable cannot be firstprivate}} expected-note@+3 {{defined as lastprivate}}
 #pragma omp target
 #pragma omp teams
-#pragma omp distribute parallel for lastprivate(n) firstprivate(n) // expected-error {{calling a private constructor of class 'S6'}} expected-warning {{Type 'S6' is not trivially copyable and not guaranteed to be mapped correctly}}
+#pragma omp distribute parallel for lastprivate(n) firstprivate(n) // expected-error {{calling a private constructor of class 'S6'}} expected-warning {{type 'S6' is not trivially copyable and not guaranteed to be mapped correctly}}
   for (i = 0; i < argc; ++i)
     foo();
   static int si;

clang/test/OpenMP/distribute_parallel_for_private_messages.cpp

@@ -50,7 +50,7 @@ class S5 {
 #pragma omp target
 #pragma omp teams
 #pragma omp distribute parallel for private(a) private(this->a) private(s.a) // expected-error {{expected variable name or data member of current class}}
-    for (int k = 0; k < s.a; ++k) // expected-warning {{Type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
+    for (int k = 0; k < s.a; ++k) // expected-warning {{type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
       ++s.a;
     return *this;
   }