module t (/*AUTOARG*/);
    logic [31:0] array_assign [3:0];
    assign array_assign[0] = 32'd1;
    assign array_assign[3:1] = '{'0, '0, '0};

    initial begin
       $write("*-* All Finished *-*\n");
       $finish;
    end
endmodule

phbs-Air:t phb$ ./t_array_pattern_unpacked.pl
======================================================================
vlt/t_array_pattern_unpacked: ==================================================
vlt/t_array_pattern_unpacked: Compile
	perl ../bin/verilator --prefix Vt_array_pattern_unpacked --x-assign unique -cc -Mdir obj_dir/t_array_pattern_unpacked -OD --debug-check --clk clk  -f input.vc t/t_array_pattern_unpacked.v    > obj_dir/t_array_pattern_unpacked/vlt_compile.log
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 28
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 27
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 26
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 25
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 24
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 23
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 22
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 21
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 20
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 19
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 18
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 17
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 16
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 15
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 14
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 13
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 12
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 11
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 10
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 9
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 8
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 7
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 6
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 5
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 4
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 3
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 2
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 1
%Error: t/t_array_pattern_unpacked.v:9: Assignment pattern missed initializing elements: 0
%Warning-WIDTH: t/t_array_pattern_unpacked.v:9: Operator ASSIGNW expects 32 bits on the Assign RHS, but Assign RHS's CONCAT generates 3 bits.
%Warning-WIDTH: Use "/* verilator lint_off WIDTH */" and lint_on around source to disable this message.
%Error: Exiting due to 29 error(s), 1 warning(s)
%Error: Command Failed /Users/phb/DEV/verilator-tstrader-dev//verilator_bin --prefix Vt_array_pattern_unpacked --x-assign unique -cc -Mdir obj_dir/t_array_pattern_unpacked -OD --debug-check --clk clk -f input.vc t/t_array_pattern_unpacked.v
%Warning: vlt/t_array_pattern_unpacked: Exec of perl failed

vlt/t_array_pattern_unpacked: %Error: Exec of perl failed
vlt/t_array_pattern_unpacked: FAILED: ************************************************************
==SUMMARY: Left 0  Passed 0  Unsup 0  Skipped 0  Failed 1

======================================================================
TESTS Passed 0  Unsup 0  Skipped 0  Failed 1  Time 0:00
	#vlt/t_array_pattern_unpacked: %Error: Exec of perl failed
		make && test_regress/t/t_array_pattern_unpacked.pl
TESTS Passed 0  Unsup 0  Skipped 0  Failed 1  Time 0:00