JDK-8207159 was recently backported to 8u-dev to update the ICU library. The 32-bit Linux build is now failing as a result:
[100%] Linking CXX shared library ../../lib/libjfxwebkit.so
.../gcc-7.3.0-linux-x86/bin/../lib/gcc/x86_64-unknown-linux-gnu/7.3.0/../../../../x86_64-unknown-linux-gnu/bin/ld.gold: error: ../../lib/libicudata.a(../../lib/../Source/ThirdParty/icu/CMakeFiles/icudata.dir/__/__/__/icu/data/icudt62l_dat.S.o): incompatible target
../../lib/libicuuc.a(../../lib/../Source/ThirdParty/icu/CMakeFiles/icuuc.dir/source/common/udata.cpp.o):udata.cpp:function doLoadFromCommonData(signed char, char const*, char const*, char const*, char const*, char const*, char const*, char const*, signed char (*)(void*, char const*, char const*, UDataInfo const*), void*, UErrorCode*, UErrorCode*) [clone .constprop.9]: error: undefined reference to 'icudt62_dat'
collect2: error: ld returned 1 exit status
gmake[2]: *** [lib/libjfxwebkit.so] Error 1
gmake[1]: *** [Source/WebCore/CMakeFiles/JFXWebKit.dir/all] Error 2
gmake: *** [all] Error 2
Process 'command 'perl'' finished with exit value 2 (state: FAILED)
:web:compileNativeLinux FAILED