* output.h (Output_section::Input_section): Initialize p2align_ to

	* output.h (Output_section::Input_section): Initialize p2align_ to
	zero for Output_section_data constructors.
	(Output_section::Input_section::addralign): If not an input
	section, return the alignment of the Output_section_data.
	* testsuite/copy_test.cc: New file.
	* testsuite/copy_test_1.cc: New file.
	* testsuite/copy_test_2.cc: New file.
	* testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
	(copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
	(copy_test_LDFLAGS, copy_test_LDADD): New variables.
	(copy_test_1_pic.o, copy_test_1.so): New targets.
	(copy_test_2_pic.o, copy_test_2.so): New targets.
	* testsuite/Makefile.in: Rebuild.