Here is what we get with SS12u4:

./configure --with-version-opt=LTS --with-jvm-variants=server --with-boot-jdk=/export/ws/bellsoft/jdk-11.0.14.1 --with-harfbuzz=system --disable-warnings-as-errors --disable-hotspot-gtest

gmake product-images legacy-jre-image
Creating support/modules_libs/java.base/server/libjvm_dtrace.so from 1 file(s)
Creating support/modules_libs/java.base/server/libjvm_db.so from 1 file(s)
Undefined first referenced
 symbol in file
long*frame::link_or_null()const /export/ws/workspace/11.0.18/jdk-11.0.18/CT/std/label/solaris-sparcv9/type/b11/b/build/b/hotspot/variant-server/libjvm/objs/os.o
ld: fatal: symbol referencing errors
lib/CompileJvm.gmk:153: recipe for target '/export/ws/workspace/11.0.18/jdk-11.0.18/CT/std/label/solaris-sparcv9/type/b11/b/build/b/support/modules_libs/java.base/server/libjvm.so' failed
gmake[3]: *** [/export/ws/workspace/11.0.18/jdk-11.0.18/CT/std/label/solaris-sparcv9/type/b11/b/build/b/support/modules_libs/java.base/server/libjvm.so] Error 1
make/Main.gmk:272: recipe for target 'hotspot-server-libs' failed
gmake[2]: *** [hotspot-server-libs] Error 1