diff --git a/auto/cc/sunc b/auto/cc/sunc
index a9e32c2..e4ea868 100644
--- a/auto/cc/sunc
+++ b/auto/cc/sunc
@@ -3,9 +3,10 @@
 
 
 # Sun C 5.7 Patch 117837-04 2005/05/11
+# Sun C 5.8 2005/10/13
 
 NGX_SUNC_VER=`$CC -V 2>&1 | grep 'Sun C' 2>&1 \
-                         | sed -e 's/^.* Sun C \(.*\)/\1/'`
+                          | sed -e 's/^.* Sun C \(.*\)/\1/'`
 
 echo " + Sun C version: $NGX_SUNC_VER"
 
@@ -15,8 +16,19 @@
 case "$NGX_PLATFORM" in
 
     *:i86pc)
-        # disable [ PAUSE ] hwcap for Sun Studio 11
-        CORE_LINK="$CORE_LINK -Msrc/os/unix/ngx_sunpro_x86.map"
+        ngx_feature="PAUSE hardware capability bug"
+        ngx_feature_name=
+        ngx_feature_run=bug
+        ngx_feature_incs=
+        ngx_feature_libs=
+        ngx_feature_test='__asm ("pause")'
+
+        . auto/feature
+
+        if [ $ngx_found = yes ]; then
+            # disable [ PAUSE ] hwcap for Sun Studio 11
+            CORE_LINK="$CORE_LINK -Msrc/os/unix/ngx_sunpro_x86.map"
+        fi
 
         NGX_AUX=" src/os/unix/ngx_sunpro_x86.il"
     ;;
diff --git a/auto/feature b/auto/feature
index 6ad008a..37420e3 100644
--- a/auto/feature
+++ b/auto/feature
@@ -43,7 +43,8 @@
     case "$ngx_feature_run" in
 
         yes)
-            if $NGX_AUTOTEST 2>&1 > /dev/null; then
+            # /bin/sh is used to intercept "Killed" or "Abort trap" messages
+            if /bin/sh $NGX_AUTOTEST > /dev/null 2>&1; then
                 echo " found"
                 ngx_found=yes
 
@@ -57,7 +58,8 @@
         ;;
 
         bug)
-            if $NGX_AUTOTEST 2>&1 > /dev/null; then
+            # /bin/sh is used to intercept "Killed" or "Abort trap" messages
+            if /bin/sh $NGX_AUTOTEST > /dev/null 2>&1; then
                 echo " not found"
 
             else