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Remove some variables but call functions for side effects

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This patch consolidates the (possibly-questionable) spots where we
remove a declaration but continue to call some function for side
effects.  In a couple of cases it wasn't entirely clear to me that
this mattered; and in some other cases it might be more aesthetically
pleasing to use ATTRIBUTE_UNUSED.  So, I broke this out into a
separate patch for simpler review.

2016-07-14  Tom Tromey  <tom@tromey.com>

	* arch-utils.c (default_skip_permanent_breakpoint): Remove
	"bp_insn".
	* disasm.c (do_assembly_only): Remove "num_displayed".
	* dwarf2read.c (read_abbrev_offset): Remove "length".
	(dwarf_decode_macro_bytes) <DW_MACINFO_vendor_ext>: Remove
	"constant".
	* m32c-tdep.c (make_regs): Remove "r2hl", "r3hl", and "intbhl".
	* microblaze-tdep.c (microblaze_frame_cache): Remove "func".
	* tracefile.c (trace_save): Remove "status".
This commit is contained in:
Tom Tromey
2016-06-06 14:18:23 -06:00
parent 764c99c18a
commit ac29888840
7 changed files with 28 additions and 20 deletions
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4
gdb/disasm.c
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@@ -737,13 +737,11 @@ do_assembly_only (struct gdbarch *gdbarch, struct ui_out *uiout,
CORE_ADDR low, CORE_ADDR high,
int how_many, int flags, struct ui_file *stb)
{
int num_displayed = 0;
struct cleanup *ui_out_chain;
ui_out_chain = make_cleanup_ui_out_list_begin_end (uiout, "asm_insns");
num_displayed = dump_insns (gdbarch, uiout, di, low, high, how_many,
flags, stb, NULL);
dump_insns (gdbarch, uiout, di, low, high, how_many, flags, stb, NULL);
do_cleanups (ui_out_chain);
}