Remove -Wno-shift-op-parentheses for fusl build

fusl/src/locale/iconv.c

 #include <iconv.h>
 #include <errno.h>
 #include <wchar.h>
 #include <string.h>
 #include <stdlib.h>
 #include <limits.h>
 #include <stdint.h>
 #include "locale_impl.h"
 
 #define UTF_32BE    0300
@@ skipping 117 matching lines @@
 static void put_16(unsigned char *s, unsigned c, int e)
 {
         e &= 1;
         s[e] = c>>8;
         s[1-e] = c;
 }
 
 static unsigned get_32(const unsigned char *s, int e)
 {
         e &= 3;
-        return s[e]+0U<<24 | s[e^1]<<16 | s[e^2]<<8 | s[e^3];
+        return ((unsigned)s[e])<<24 | s[e^1]<<16 | s[e^2]<<8 | s[e^3];
 }
 
 static void put_32(unsigned char *s, unsigned c, int e)
 {
         e &= 3;
         s[e^0] = c>>24;
         s[e^1] = c>>16;
         s[e^2] = c>>8;
         s[e^3] = c;
 }
@@ skipping 210 matching lines @@
                                 }
                                 break;
                         }
                         c = ksc[c][d];
                         if (!c) goto ilseq;
                         break;
                 default:
                         if (c < 128+type) break;
                         c -= 128+type;
                         c = legacy_chars[ map[c*5/4]>>2*c%8 |
-                                map[c*5/4+1]<<8-2*c%8 & 1023 ];
+                                map[c*5/4+1]<<(8-2*c%8) & 1023 ];
                         if (!c) c = *(unsigned char *)*in;
                         if (c==1) goto ilseq;
                 }
 
                 switch (totype) {
                 case WCHAR_T:
                         if (*outb < sizeof(wchar_t)) goto toobig;
                         *(wchar_t *)*out = c;
                         *out += sizeof(wchar_t);
                         *outb -= sizeof(wchar_t);
@@ skipping 14 matching lines @@
                         if (*outb < 1) goto toobig;
                         if (c < 128+totype) {
                         revout:
                                 *(*out)++ = c;
                                 *outb -= 1;
                                 break;
                         }
                         d = c;
                         for (c=0; c<128-totype; c++) {
                                 if (d == legacy_chars[ tomap[c*5/4]>>2*c%8 |
-                                        tomap[c*5/4+1]<<8-2*c%8 & 1023 ]) {
+                                        tomap[c*5/4+1]<<(8-2*c%8) & 1023 ]) {
                                         c += 128;
                                         goto revout;
                                 }
                         }
                         goto subst;
                 case UCS2BE:
                 case UCS2LE:
                 case UTF_16BE:
                 case UTF_16LE:
                         if (c < 0x10000 || type-UCS2BE < 2U) {
@@ skipping 31 matching lines @@
         x = -1;
         goto end;
 starved:
         err = EINVAL;
         x = -1;
 end:
         errno = err;
         *ploc = loc;
         return x;
 }