1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/expr.c b/gcc/expr.c
index d63ee55..51483f9 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -4223,6 +4223,9 @@ expand_assignment (tree to, tree from, bool nontemporal)
 	reg = copy_to_mode_reg (op_mode1, reg);
 
       insn = GEN_FCN (icode) (mem, reg);
+      /* The movmisalign<mode> pattern cannot fail, else the assignment would
+         silently be omitted.  */
+      gcc_assert (insn != NULL_RTX);
       emit_insn (insn);
       return;
     }
@@ -8674,6 +8677,7 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode,
 
 	    /* Nor can the insn generator.  */
 	    insn = GEN_FCN (icode) (reg, temp);
+	    gcc_assert (insn != NULL_RTX);
 	    emit_insn (insn);
 
 	    return reg;