Restore clang array checks

CMakeLists.txt

@@ -54,7 +54,7 @@ else()
 	set(STRICT_OPTIONS_C "${STRICT_OPTIONS_C} -std=c99 -O2 -Wstrict-prototypes -Wno-error=strict-prototypes -fvisibility=hidden")
 	if(CMAKE_C_COMPILER_ID MATCHES "Clang")
 		set(STRICT_OPTIONS_CPP "${STRICT_OPTIONS_CPP} -Wno-error=unknown-warning-option -Qunused-arguments -Wno-tautological-compare")
-		set(STRICT_OPTIONS_CPP "${STRICT_OPTIONS_CPP} -Wno-unused-function -Wno-array-bounds -Wno-pass-failed -Wno-error=sizeof-array-div")
+		set(STRICT_OPTIONS_CPP "${STRICT_OPTIONS_CPP} -Wno-unused-function -Wno-pass-failed")
 	endif()
 	if(ENABLE_STRICT)
 		set(STRICT_OPTIONS_CPP "${STRICT_OPTIONS_CPP} -Werror -Wextra -Wno-unused-parameter -fno-strict-aliasing")

src/p448/arch_x86_64/f_impl.c

@@ -15,7 +15,7 @@ void gf_mul (gf_s *__restrict__ cs, const gf as, const gf bs) {
 
     /* For some reason clang doesn't vectorize this without prompting? */
     unsigned int i;
-    for (i=0; i<sizeof(aa)/sizeof(uint64xn_t); i++) {
+    for (i=0; i<sizeof(aa)/(sizeof(uint64xn_t)); i++) {
         ((uint64xn_t*)aa)[i] = ((const uint64xn_t*)a)[i] + ((const uint64xn_t*)(&a[4]))[i];
         ((uint64xn_t*)bb)[i] = ((const uint64xn_t*)b)[i] + ((const uint64xn_t*)(&b[4]))[i]; 
         ((uint64xn_t*)bbb)[i] = ((const uint64xn_t*)bb)[i] + ((const uint64xn_t*)(&b[4]))[i];     
@@ -190,7 +190,7 @@ void gf_sqr (gf_s *__restrict__ cs, const gf as) {
 
     /* For some reason clang doesn't vectorize this without prompting? */
     unsigned int i;
-    for (i=0; i<sizeof(aa)/sizeof(uint64xn_t); i++) {
+    for (i=0; i<sizeof(aa)/(sizeof(uint64xn_t)); i++) {
       ((uint64xn_t*)aa)[i] = ((const uint64xn_t*)a)[i] + ((const uint64xn_t*)(&a[4]))[i];
     }