Revert "[clang][bytecode] Handle __builtin_wcslen (#118446)"

This reverts commit 89a0ee89973c3d213c4bc11c26b41eab67e06da0.

This breaks builders:
https://lab.llvm.org/buildbot/#/builders/13/builds/3885

1 files changed, 0 insertions, 12 deletions

diff --git a/clang/test/AST/ByteCode/builtin-functions.cpp b/clang/test/AST/ByteCode/builtin-functions.cpp
index b951c04..f70b77f 100644
--- a/clang/test/AST/ByteCode/builtin-functions.cpp
+++ b/clang/test/AST/ByteCode/builtin-functions.cpp
@@ -15,10 +15,6 @@
 #error "huh?"
 #endif
 
-extern "C" {
-  typedef decltype(sizeof(int)) size_t;
-  extern size_t wcslen(const wchar_t *p);
-}
 
 namespace strcmp {
   constexpr char kFoobar[6] = {'f','o','o','b','a','r'};
@@ -97,14 +93,6 @@ constexpr const char *a = "foo\0quux";
   constexpr char d[] = { 'f', 'o', 'o' }; // no nul terminator.
   constexpr int bad = __builtin_strlen(d); // both-error {{constant expression}} \
                                            // both-note {{one-past-the-end}}
-
-  constexpr int wn = __builtin_wcslen(L"hello");
-  static_assert(wn == 5);
-  constexpr int wm = wcslen(L"hello"); // both-error {{constant expression}} \
-                                       // both-note {{non-constexpr function 'wcslen' cannot be used in a constant expression}}
-
-  int arr[3]; // both-note {{here}}
-  int wk = arr[wcslen(L"hello")]; // both-warning {{array index 5}}
 }
 
 namespace nan {