[Bug debug/60438] dwarf2cfi :2239 still assert,not the same cause as PR 59575

[manjian2006 at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60438

--- Comment #7 from linzj <manjian2006 at gmail dot com> ---
confirm that in csa pass:

(insn 288 281 289 17 (set (mem:SI (pre_dec:SI (reg/f:SI 7 sp)) [0  S4 A8])
        (reg:SI 1 dx [160]))
/home/linzj/src/u3/shell-git/core/WebCore/rendering/RenderImage.cpp:98 64
{*pushsi2}
     (expr_list:REG_DEAD (reg:SI 1 dx [160])
        (nil)))
(insn 289 288 290 17 (set (reg:SF 9 st(1) [orig:153 D.227396 ] [153])
        (mult:SF (float:SF (mem:SI (reg/f:SI 7 sp) [0  S4 A8]))
            (reg:SF 9 st(1) [orig:153 D.227396 ] [153])))
/home/linzj/src/u3/shell-git/core/WebCore/rendering/RenderImage.cpp:98 671
{*fop_sf_2_i387}
     (nil))
(insn 290 289 273 17 (set (reg/f:SI 7 sp)
        (plus:SI (reg/f:SI 7 sp)
            (const_int 4 [0x4])))
/home/linzj/src/u3/shell-git/core/WebCore/rendering/RenderImage.cpp:98 235
{*leasi}
     (nil))
...

(insn 200 264 259 17 (parallel [
            (set (reg/f:SI 7 sp)
                (plus:SI (reg/f:SI 7 sp)
                    (const_int 12 [0xc])))
            (clobber (reg:CC 17 flags))
        ])
/home/linzj/src/u3/shell-git/core/WebCore/platform/graphics/IntSize.h:65 241
{*addsi_1}
     (expr_list:REG_UNUSED (reg:CC 17 flags)
        (expr_list:REG_ARGS_SIZE (const_int 0 [0])
            (nil))))
(jump_insn 259 200 260 17 (set (pc)
        (label_ref 102)) 570 {jump}
     (nil)
 -> 102)

is combined as

(insn 288 281 289 17 (set (mem:SI (pre_dec:SI (reg/f:SI 7 sp)) [0  S4 A8])
        (reg:SI 1 dx [160]))
/home/linzj/src/u3/shell-git/core/WebCore/rendering/RenderImage.cpp:98 64
{*pushsi2}
     (expr_list:REG_DEAD (reg:SI 1 dx [160])
        (nil)))
(insn 289 288 273 17 (set (reg:SF 9 st(1) [orig:153 D.227396 ] [153])
        (mult:SF (float:SF (mem:SI (reg/f:SI 7 sp) [0  S4 A8]))
            (reg:SF 9 st(1) [orig:153 D.227396 ] [153])))
/home/linzj/src/u3/shell-git/core/WebCore/rendering/RenderImage.cpp:98 671
{*fop_sf_2_i387}
     (nil))
...

(insn 200 264 259 17 (parallel [
            (set (reg/f:SI 7 sp)
                (plus:SI (reg/f:SI 7 sp)
                    (const_int 16 [0x10])))
            (clobber (reg:CC 17 flags))
        ])
/home/linzj/src/u3/shell-git/core/WebCore/platform/graphics/IntSize.h:65 241
{*addsi_1}
     (expr_list:REG_UNUSED (reg:CC 17 flags)
        (expr_list:REG_ARGS_SIZE (const_int 0 [0])
            (nil))))
(jump_insn 259 200 260 17 (set (pc)
        (label_ref 102)) 570 {jump}
     (nil)
 -> 102)


12 + 4 - 4 - 12 is changed to 12 + 4 - 16
but REG_ARGS_SIZE is forgotten here.