Tentatively apply llvm/llvm-project#76175, to

fix libsa including compiler-rt builtins.

Author: DimitryAndric

contrib/llvm-project/compiler-rt/lib/builtins/int_types.h

@@ -139,7 +139,6 @@ typedef union {
   udwords u;
   double f;
 } double_bits;
-#endif
 
 typedef struct {
 #if _YUGA_LITTLE_ENDIAN
@@ -220,7 +219,6 @@ typedef union {
 #define CRT_HAS_TF_MODE
 #endif
 
-#if CRT_HAS_FLOATING_POINT
 #if __STDC_VERSION__ >= 199901L
 typedef float _Complex Fcomplex;
 typedef double _Complex Dcomplex;