[Bug 288778] [libm] Fix undefined behavior of a left shifted of a signed integer

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=288778

--- Comment #5 from Konstantin Belousov <kib@FreeBSD.org> ---
(In reply to Konstantin Belousov from comment #4)
diff --git a/lib/msun/src/s_remquo.c b/lib/msun/src/s_remquo.c
index ac6bce75403f..6e468b019c5c 100644
--- a/lib/msun/src/s_remquo.c
+++ b/lib/msun/src/s_remquo.c
@@ -53,7 +53,7 @@ remquo(double x, double y, int *quo)
        }

     /* determine ix = ilogb(x) */
-       if(hx<0x00100000) {
+       if(hx<0x00100000)
            ix = subnormal_ilogb(hx, lx);
        else
            ix = (hx>>20)-1023;

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