[clang-tools-extra] [clang-tidy] Update llvmlibc-implementation-in-namespace to new rules (PR #66504)

[Piotr Zegar via cfe-commits]

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@@ -3,18 +3,18 @@
 #define MACRO_A "defining macros outside namespace is valid"
 
 class ClassB;
-// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: declaration must be declared within the '__llvm_libc' namespace
+// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: declaration must be declared within a namespace starting with '__llvm_libc'
 struct StructC {};
-// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: declaration must be declared within the '__llvm_libc' namespace
+// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: declaration must be declared within a namespace starting with '__llvm_libc'
 char *VarD = MACRO_A;
-// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: declaration must be declared within the '__llvm_libc' namespace
+// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: declaration must be declared within a namespace starting with '__llvm_libc'
 typedef int typeE;
-// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: declaration must be declared within the '__llvm_libc' namespace
+// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: declaration must be declared within a namespace starting with '__llvm_libc'
 void funcF() {}
-// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: declaration must be declared within the '__llvm_libc' namespace
+// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: declaration must be declared within a namespace starting with '__llvm_libc'
 
 namespace namespaceG {
-// CHECK-MESSAGES: :[[@LINE-1]]:11: warning: '__llvm_libc' needs to be the outermost namespace
+// CHECK-MESSAGES: :[[@LINE-1]]:11: warning: the outermost namespace should be the 'LIBC_NAMESPACE' macro
 namespace __llvm_libc{
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PiotrZSL wrote:

this looks to be invalid as its namespaceG::__llvm_libc and it's not "the outermost namespace should be the 'LIBC_NAMESPACE'"

https://github.com/llvm/llvm-project/pull/66504