Fix typo in diagnostic message

Author: AmrDeveloper

clang/include/clang/Basic/DiagnosticSemaKinds.td

@@ -10275,7 +10275,7 @@ def warn_array_comparison : Warning<
   InGroup<DiagGroup<"array-compare">>;
 
 def warn_array_comparison_cxx26 : Warning<
-  "comparison between two arrays is ll-formed in C++26; "
+  "comparison between two arrays is ill-formed in C++26; "
   "to compare array addresses, use unary '+' to decay operands to pointers">,
   InGroup<DiagGroup<"array-compare-cxx26">>, DefaultError;
 

clang/test/Sema/warn-stringcompare.c

@@ -16,15 +16,15 @@ void test(const char *d) {
   if (NULL == "/")
     return;
   if ("/" != DELIM) // expected-warning {{result of comparison against a string literal is unspecified (use an explicit string comparison function instead)}}
-    return;         // cxx-warning@-1 {{comparison between two arrays}} cxx26-error@-1 {{comparison between two arrays is ll-formed in C++26}}
+    return;         // cxx-warning@-1 {{comparison between two arrays}} cxx26-error@-1 {{comparison between two arrays is ill-formed in C++26}}
   if (DELIM == "/") // expected-warning {{result of comparison against a string literal is unspecified (use an explicit string comparison function instead)}}
-    return;         // cxx-warning@-1 {{comparison between two arrays}} cxx26-error@-1 {{comparison between two arrays is ll-formed in C++26}}
+    return;         // cxx-warning@-1 {{comparison between two arrays}} cxx26-error@-1 {{comparison between two arrays is ill-formed in C++26}}
   if (DELIM != NULL)
     return;
   if (NULL == DELIM)
     return;
   if (DOT != DELIM) // expected-warning {{result of comparison against a string literal is unspecified (use an explicit string comparison function instead)}}
-    return;         // cxx-warning@-1 {{comparison between two arrays}} cxx26-error@-1 {{comparison between two arrays is ll-formed in C++26}}
+    return;         // cxx-warning@-1 {{comparison between two arrays}} cxx26-error@-1 {{comparison between two arrays is ill-formed in C++26}}
   if (DELIM == DOT) // expected-warning {{result of comparison against a string literal is unspecified (use an explicit string comparison function instead)}}
-    return;         // cxx-warning@-1 {{comparison between two arrays}} cxx26-error@-1 {{comparison between two arrays is ll-formed in C++26}}
+    return;         // cxx-warning@-1 {{comparison between two arrays}} cxx26-error@-1 {{comparison between two arrays is ill-formed in C++26}}
 }

clang/test/SemaCXX/warn-array-comparion.cpp

@@ -10,14 +10,14 @@ typedef struct {
 
 bool object_equal(const Object &obj1, const Object &obj2) {
   if (obj1.str != obj2.str) // not-cxx20-warning {{comparison between two arrays compare their addresses}} cxx20-warning {{comparison between two arrays is deprecated}}
-    return false;           // cxx26-error@-1 {{comparison between two arrays is ll-formed in C++26}}
+    return false;           // cxx26-error@-1 {{comparison between two arrays is ill-formed in C++26}}
   if (obj1.id != obj2.id) // not-cxx20-warning {{comparison between two arrays compare their addresses}} cxx20-warning {{comparison between two arrays is deprecated}}
-    return false;         // cxx26-error@-1 {{comparison between two arrays is ll-formed in C++26}}
+    return false;         // cxx26-error@-1 {{comparison between two arrays is ill-formed in C++26}}
   return true;
 }
 
 
 void foo(int (&array1)[2], int (&array2)[2]) {
   if (array1 == array2) { } // not-cxx20-warning {{comparison between two arrays compare their addresses}} cxx20-warning {{comparison between two arrays is deprecated}}
-                            // cxx26-error@-1 {{comparison between two arrays is ll-formed in C++26}}
+                            // cxx26-error@-1 {{comparison between two arrays is ill-formed in C++26}}
 }

clang/test/SemaCXX/warn-self-comparisons.cpp

@@ -4,5 +4,5 @@
 
 void f(int (&array1)[2], int (&array2)[2]) {
   if (array1 == array2) { } // not-cxx20-warning {{comparison between two arrays compare their addresses}} cxx20-warning {{comparison between two arrays is deprecated}}
-                            // cxx26-error@-1 {{comparison between two arrays is ll-formed in C++26}}
+                            // cxx26-error@-1 {{comparison between two arrays is ill-formed in C++26}}
 }