diff -r b04860fd2e2c -r 103ed9569fc8 src/java.base/share/classes/sun/security/ssl/SupportedGroupsExtension.java
--- a/src/java.base/share/classes/sun/security/ssl/SupportedGroupsExtension.java	Tue Dec 18 19:13:54 2018 +0530
+++ b/src/java.base/share/classes/sun/security/ssl/SupportedGroupsExtension.java	Tue Dec 18 12:08:51 2018 -0800
@@ -900,8 +900,7 @@
             try {
                 spec = new SupportedGroupsSpec(buffer);
             } catch (IOException ioe) {
-                shc.conContext.fatal(Alert.UNEXPECTED_MESSAGE, ioe);
-                return;     // fatal() always throws, make the compiler happy.
+                throw shc.conContext.fatal(Alert.UNEXPECTED_MESSAGE, ioe);
             }
 
             // Update the context.
@@ -1024,8 +1023,7 @@
             try {
                 spec = new SupportedGroupsSpec(buffer);
             } catch (IOException ioe) {
-                chc.conContext.fatal(Alert.UNEXPECTED_MESSAGE, ioe);
-                return;     // fatal() always throws, make the compiler happy.
+                throw chc.conContext.fatal(Alert.UNEXPECTED_MESSAGE, ioe);
             }
 
             // Update the context.