u-boot 2018.09-rc2 boot failure when compiled with GCC 8.2.0

gistfile1.txt

MMC:   SUNXI SD/MMC: 0
In:    serial
Out:   serial
Err:   serial
Net:   phy interface0
eth0: ethernet@1c30000
starting USB...
USB0:   USB EHCI 1.00
USB1:   USB OHCI 1.0
scanning bus 0 for devices... 1 USB Device(s) found
       scanning usb for storage devices... 0 Storage Device(s) found
Hit any key to stop autoboot:  0
switch to partitions #0, OK
mmc0 is current device
Scanning mmc 0:1...
Found /boot/extlinux/extlinux.conf
Retrieving file: /boot/extlinux/extlinux.conf
195 bytes read in 16 ms (11.7 KiB/s)
1:      Shedbuilt Linux 4.17.14
Retrieving file: /boot/linux-4.17.14-uImage
4235660 bytes read in 211 ms (19.1 MiB/s)
append: console=tty0 console=ttyS0,115200n8 root=/dev/mmcblk0p1 rootfstype=ext4 rw rootwait
Retrieving file: /boot/linux-4.17.14.dtb
17681 bytes read in 16 ms (1.1 MiB/s)
## Booting kernel from Legacy Image at 42000000 ...
   Image Name:   Linux 4.17.14
   Image Type:   ARM Linux Kernel Image (gzip compressed)
   Data Size:    4235596 Bytes = 4 MiB
   Load Address: 40008000
   Entry Point:  40008000
   Verifying Checksum ... OK
## Flattened Device Tree blob at 43000000
   Booting using the fdt blob at 0x43000000
EHCI failed to shut down host controller.
   Uncompressing Kernel Image ... OK
   Loading Device Tree to 49ff8000, end 49fff510 ... OK

Starting kernel ...

data abort
pc : [<5ff9f16c>]          lr : [<5ff76ed7>]
reloc pc : [<4a02916c>]    lr : [<4a000ed7>]
sp : 5bf50588  ip : 5bf568da     fp : 40008000
r10: 5bf50698  r9 : 5bf55ee0     r8 : 00000400
r7 : 00000000  r6 : 40008000     r5 : 49ff8000  r4 : 00000000
r3 : 49ff8000  r2 : 49ff8000     r1 : 00000000  r0 : 00000000
Flags: nZCv  IRQs off  FIQs off  Mode UK6_32
Code: e12fff1e e52de008 fa000001 e3a00000 (e49df008)
Resetting CPU ...