compilation errors when compiling against latest llvm in StringRef class

[georgekie]

reflectedclass.cpp:164:15: error: no member named 'equals_lower' in 'llvm::StringRef'
if (s.equals_lower("serialized")) {
~ ^
/Volumes/Pahethon-George/llvm-project2/llvm-project/clang-tools-extra/metareflect/tooling/reflectedclass.cpp:167:22: error: no member named 'startswith_lower' in 'llvm::StringRef'
} else if (s.startswith_lower("width")) {
~ ^
/Volumes/Pahethon-George/llvm-project2/llvm-project/clang-tools-extra/metareflect/tooling/reflectedclass.cpp:175:22: error: no member named 'equals_lower' in 'llvm::StringRef'
} else if (s.equals_lower("cstring")) {
~ ^
/Volumes/Pahethon-George/llvm-project2/llvm-project/clang-tools-extra/metareflect/tooling/reflectedclass.cpp:195:15: error: no member named 'equals_lower' in 'llvm::StringRef'
if (s.equals_lower("replicated")) {

[RussellZhou-hub]

use "equals_insensitive" and "startswith_insensitive" respectively.