Revert "[Support][unittests] Enforce alignment in ConvertUTFTest"

This reverts commit 53b3873.
Seems to break SupportTests.exe's
ConvertUTFTest.UTF16WrappersForConvertUTF16ToUTF8String
on Windows.

Author: nico

llvm/lib/Support/ConvertUTFWrapper.cpp

@@ -97,8 +97,6 @@ bool convertUTF16ToUTF8String(ArrayRef<char> SrcBytes, std::string &Out) {
   const UTF16 *Src = reinterpret_cast<const UTF16 *>(SrcBytes.begin());
   const UTF16 *SrcEnd = reinterpret_cast<const UTF16 *>(SrcBytes.end());
 
-  assert((uintptr_t)Src % sizeof(UTF16) == 0);
-
   // Byteswap if necessary.
   std::vector<UTF16> ByteSwapped;
   if (Src[0] == UNI_UTF16_BYTE_ORDER_MARK_SWAPPED) {

llvm/unittests/Support/ConvertUTFTest.cpp

@@ -16,7 +16,7 @@ using namespace llvm;
 
 TEST(ConvertUTFTest, ConvertUTF16LittleEndianToUTF8String) {
   // Src is the look of disapproval.
-  alignas(UTF16) static const char Src[] = "\xff\xfe\xa0\x0c_\x00\xa0\x0c";
+  static const char Src[] = "\xff\xfe\xa0\x0c_\x00\xa0\x0c";
   ArrayRef<char> Ref(Src, sizeof(Src) - 1);
   std::string Result;
   bool Success = convertUTF16ToUTF8String(Ref, Result);
@@ -27,7 +27,7 @@ TEST(ConvertUTFTest, ConvertUTF16LittleEndianToUTF8String) {
 
 TEST(ConvertUTFTest, ConvertUTF16BigEndianToUTF8String) {
   // Src is the look of disapproval.
-  alignas(UTF16) static const char Src[] = "\xfe\xff\x0c\xa0\x00_\x0c\xa0";
+  static const char Src[] = "\xfe\xff\x0c\xa0\x00_\x0c\xa0";
   ArrayRef<char> Ref(Src, sizeof(Src) - 1);
   std::string Result;
   bool Success = convertUTF16ToUTF8String(Ref, Result);