Created on behalf of Amit Kumar.

Optimized build is broken on s390x with GCC-9.4.0. Failure log:

For target support_interim-jmods_support__create_java.base.jmod_exec:
assembly code requires stop: (stop) killed Z_R14
To suppress the following error report, specify this argument
after -XX: or in .hotspotrc: SuppressErrorAt=/macroAssembler_s390.cpp:5498

A fatal error has been detected by the Java Runtime Environment:

 Internal Error (src/hotspot/cpu/s390/macroAssembler_s390.cpp:5498), pid=3076078, tid=3076083
 guarantee(false) failed: Z assembly code requires stop: killed Z_R14

JRE version: (21.0) (build )
Java VM: OpenJDK 64-Bit Server VM (21-internal-adhoc.amit.jdk, mixed mode, tiered, compressed oops, compressed class ptrs, g1 gc, linux-s390x)
Problematic frame:
V [libjvm.so+0x9e6e78] stop_on_request(char const*, char const*)+0x60