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

fusl/src/stdio/vfprintf.c

 #include "stdio_impl.h"
 #include <errno.h>
 #include <ctype.h>
 #include <limits.h>
 #include <string.h>
 #include <stdarg.h>
 #include <wchar.h>
 #include <inttypes.h>
 #include <math.h>
 #include <float.h>
 
 /* Some useful macros */
 
 #define MAX(a,b) ((a)>(b) ? (a) : (b))
 #define MIN(a,b) ((a)<(b) ? (a) : (b))
 
 /* Convenient bit representation for modifier flags, which all fall
  * within 31 codepoints of the space character. */
 
-#define ALT_FORM   (1U<<'#'-' ')
-#define ZERO_PAD   (1U<<'0'-' ')
-#define LEFT_ADJ   (1U<<'-'-' ')
-#define PAD_POS    (1U<<' '-' ')
-#define MARK_POS   (1U<<'+'-' ')
-#define GROUPED    (1U<<'\''-' ')
+#define ALT_FORM   (1U<<('#'-' '))
+#define ZERO_PAD   (1U<<('0'-' '))
+#define LEFT_ADJ   (1U<<('-'-' '))
+#define PAD_POS    (1U<<(' '-' '))
+#define MARK_POS   (1U<<('+'-' '))
+#define GROUPED    (1U<<('\''-' '))
 
 #define FLAGMASK (ALT_FORM|ZERO_PAD|LEFT_ADJ|PAD_POS|MARK_POS|GROUPED)
 
 #if UINT_MAX == ULONG_MAX
 #define LONG_IS_INT
 #endif
 
 #if SIZE_MAX != ULONG_MAX || UINTMAX_MAX != ULLONG_MAX
 #define ODD_TYPES
 #endif
@@ skipping 442 matching lines @@
                 if (isdigit(s[1]) && s[2]=='$') {
                         l10n=1;
                         argpos = s[1]-'0';
                         s+=3;
                 } else {
                         argpos = -1;
                         s++;
                 }
 
                 /* Read modifier flags */
-                for (fl=0; (unsigned)*s-' '<32 && (FLAGMASK&(1U<<*s-' ')); s++)
-                        fl |= 1U<<*s-' ';
+                for (fl=0; (unsigned)*s-' '<32 && (FLAGMASK&(1U<<(*s-' '))); s++)
+                        fl |= 1U<<(*s-' ');
 
                 /* Read field width */
                 if (*s=='*') {
                         if (isdigit(s[1]) && s[2]=='$') {
                                 l10n=1;
                                 nl_type[s[1]-'0'] = INT;
                                 w = nl_arg[s[1]-'0'].i;
                                 s+=3;
                         } else if (!l10n) {
                                 w = f ? va_arg(*ap, int) : 0;
@@ skipping 182 matching lines @@
                 f->buf = saved_buf;
                 f->buf_size = 0;
                 f->wpos = f->wbase = f->wend = 0;
         }
         if (f->flags & F_ERR) ret = -1;
         f->flags |= olderr;
         FUNLOCK(f);
         va_end(ap2);
         return ret;
 }