8299804: Fix non-portable code in hotspot shell tests in 8u

Reviewed-by: phh, sgehwolf

Author: zzambers

hotspot/test/compiler/criticalnatives/argumentcorruption/Test8167409.sh

@@ -44,14 +44,14 @@ echo "Testing on " $OS
 case "$OS" in
   Linux)
     cc_cmd=`which gcc`
-    if [ "x$cc_cmd" == "x" ]; then
+    if [ "x$cc_cmd" = "x" ]; then
         echo "WARNING: gcc not found. Cannot execute test." 2>&1
         exit 0;
     fi
     ;;
   Solaris)
     cc_cmd=`which cc`
-    if [ "x$cc_cmd" == "x" ]; then
+    if [ "x$cc_cmd" = "x" ]; then
         echo "WARNING: cc not found. Cannot execute test." 2>&1
         exit 0;
     fi
@@ -63,7 +63,7 @@ case "$OS" in
 esac
 
 # CriticalJNINatives is not supported for aarch64
-if [ $VM_CPU == "aarch64" ]; then
+if [ $VM_CPU = "aarch64" ]; then
     echo "Test Passed"
     exit 0;
 fi

hotspot/test/compiler/floatingpoint/8165673/TestFloatJNIArgs.sh

@@ -41,10 +41,10 @@ echo "TESTSRC=${TESTSRC}"
 . ${TESTSRC}/../../../test_env.sh
 
 # set platform-dependent variables
-if [ $VM_OS == "linux" -a $VM_CPU == "aarch64" ]; then
+if [ $VM_OS = "linux" -a $VM_CPU = "aarch64" ]; then
     echo "Testing on linux-aarch64"
     gcc_cmd=`which gcc`
-    if [ "x$gcc_cmd" == "x" ]; then
+    if [ "x$gcc_cmd" = "x" ]; then
         echo "WARNING: gcc not found. Cannot execute test." 2>&1
         exit 0;
     fi

hotspot/test/compiler/floatingpoint/8207838/TestFloatSyncJNIArgs.sh

@@ -41,10 +41,10 @@ echo "TESTSRC=${TESTSRC}"
 . ${TESTSRC}/../../../test_env.sh
 
 # set platform-dependent variables
-if [ $VM_OS == "linux" -a $VM_CPU == "aarch64" ]; then
+if [ $VM_OS = "linux" -a $VM_CPU = "aarch64" ]; then
     echo "Testing on linux-aarch64"
     gcc_cmd=`which gcc`
-    if [ "x$gcc_cmd" == "x" ]; then
+    if [ "x$gcc_cmd" = "x" ]; then
         echo "WARNING: gcc not found. Cannot execute test." 2>&1
         exit 0;
     fi

hotspot/test/runtime/7107135/Test7107135.sh

@@ -47,7 +47,7 @@ case "$OS" in
   Linux)
     echo "Testing on Linux"
     gcc_cmd=`which gcc`
-    if [ "x$gcc_cmd" == "x" ]; then
+    if [ "x$gcc_cmd" = "x" ]; then
         echo "WARNING: gcc not found. Cannot execute test." 2>&1
         exit 0;
     fi
@@ -88,7 +88,7 @@ echo ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} Test test-rwx
 ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} Test test-rwx
 JAVA_RETVAL=$?
 
-if [ "$JAVA_RETVAL" == "0" ]
+if [ "$JAVA_RETVAL" = "0" ]
 then
   echo
   echo ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} TestMT test-rwx

hotspot/test/runtime/jni/CallWithJNIWeak/test.sh

@@ -45,14 +45,14 @@ echo "Testing on " $OS
 case "$OS" in
   Linux)
     cc_cmd=`which gcc`
-    if [ "x$cc_cmd" == "x" ]; then
+    if [ "x$cc_cmd" = "x" ]; then
         echo "WARNING: gcc not found. Cannot execute test." 2>&1
         exit 0;
     fi
     ;;
   Solaris)
     cc_cmd=`which cc`
-    if [ "x$cc_cmd" == "x" ]; then
+    if [ "x$cc_cmd" = "x" ]; then
         echo "WARNING: cc not found. Cannot execute test." 2>&1
         exit 0;
     fi
@@ -81,7 +81,7 @@ echo ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} -Xint CallWithJNIWeak
 ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} -Xint CallWithJNIWeak
 JAVA_RETVAL=$?
 
-if [ "$JAVA_RETVAL" == "0" ]
+if [ "$JAVA_RETVAL" = "0" ]
 then
   echo
   echo ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} -Xcomp CallWithJNIWeak

hotspot/test/runtime/jni/ReturnJNIWeak/test.sh

@@ -45,14 +45,14 @@ echo "Testing on " $OS
 case "$OS" in
   Linux)
     cc_cmd=`which gcc`
-    if [ "x$cc_cmd" == "x" ]; then
+    if [ "x$cc_cmd" = "x" ]; then
         echo "WARNING: gcc not found. Cannot execute test." 2>&1
         exit 0;
     fi
     ;;
   Solaris)
     cc_cmd=`which cc`
-    if [ "x$cc_cmd" == "x" ]; then
+    if [ "x$cc_cmd" = "x" ]; then
         echo "WARNING: cc not found. Cannot execute test." 2>&1
         exit 0;
     fi
@@ -81,7 +81,7 @@ echo ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} -Xint ReturnJNIWeak
 ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} -Xint ReturnJNIWeak
 JAVA_RETVAL=$?
 
-if [ "$JAVA_RETVAL" == "0" ]
+if [ "$JAVA_RETVAL" = "0" ]
 then
   echo
   echo ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} -Xcomp ReturnJNIWeak