Fix typo

Author: Licenser

crates/core_arch/src/arm/neon/mod.rs

@@ -1235,7 +1235,7 @@ pub unsafe fn vget_lane_u8(v: uint8x8_t, imm5: i32) -> u8 {
 #[inline]
 #[target_feature(enable = "neon")]
 #[cfg_attr(target_arch = "arm", target_feature(enable = "v7"))]
-#[cfg_attr(all(test, target_arch = "arm"), assert_instr(""vdup.8""))]
+#[cfg_attr(all(test, target_arch = "arm"), assert_instr("vdup.8"))]
 #[cfg_attr(all(test, target_arch = "aarch64"), assert_instr(dup))]
 pub unsafe fn vdupq_n_s8(value: i8) -> int8x16_t {
     int8x16_t(