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2019-11-18 Richard Sandiford <richard.sandiford@arm.com>
+ * tree.c (build_vector_from_ctor): Directly return a zero vector for
+ empty constructors.
+
+2019-11-18 Richard Sandiford <richard.sandiford@arm.com>
+
* cse.c (cse_insn): Delete no-op register moves too.
* simplify-rtx.c (comparison_to_mask): Handle unsigned comparisons.
Take a second comparison to control the value for NE.