chore(compiler-rt): update compiler-rt source files

Update the compiler-rt source files to the tip of llvm-project [1].

[1] https://github.com/llvm/llvm-project/commit/ab97b89d03a7

Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
Change-Id: Ia72b25423896a530bf5bb68ff067184b2314e2be
diff --git a/lib/compiler-rt/builtins/int_lib.h b/lib/compiler-rt/builtins/int_lib.h
index fb791eb..04ea2d9 100644
--- a/lib/compiler-rt/builtins/int_lib.h
+++ b/lib/compiler-rt/builtins/int_lib.h
@@ -49,7 +49,7 @@
 #define SYMBOL_NAME(name) XSTR(__USER_LABEL_PREFIX__) #name
 
 #if defined(__ELF__) || defined(__MINGW32__) || defined(__wasm__) ||           \
-    defined(_AIX)
+    defined(_AIX)    || defined(__CYGWIN__)
 #define COMPILER_RT_ALIAS(name, aliasname) \
   COMPILER_RT_ABI __typeof(name) aliasname __attribute__((__alias__(#name)));
 #elif defined(__APPLE__)