--- old/make/test/JtregNativeHotspot.gmk	2020-05-20 17:59:33.301561154 -0700
+++ new/make/test/JtregNativeHotspot.gmk	2020-05-20 17:59:32.909553627 -0700
@@ -850,10 +850,6 @@
 ################################################################################
 
 # Platform specific setup
-ifeq ($(call And, $(call isTargetOs, solaris) $(call isTargetCpuArch, sparc)), false)
-  BUILD_HOTSPOT_JTREG_EXCLUDE += liboverflow.c exeThreadSignalMask.c
-endif
-
 ifeq ($(call isTargetOs, linux), true)
     BUILD_HOTSPOT_JTREG_LIBRARIES_LDFLAGS_libtest-rw := -z noexecstack
     BUILD_HOTSPOT_JTREG_LIBRARIES_LDFLAGS_libtest-rwx := -z execstack
@@ -873,10 +869,6 @@
 
 BUILD_HOTSPOT_JTREG_EXECUTABLES_LIBS_exesigtest := -ljvm
 
-ifeq ($(call isTargetOs, solaris), true)
-    BUILD_HOTSPOT_JTREG_EXCLUDE += libterminatedThread.c
-endif
-
 ifeq ($(call isTargetOs, windows), true)
     BUILD_HOTSPOT_JTREG_EXECUTABLES_CFLAGS_exeFPRegs := -MT
     BUILD_HOTSPOT_JTREG_EXCLUDE += exesigtest.c libterminatedThread.c