hg: jdk/client: 8211826: StringIndexOutOfBoundsException happens via GetStringUTFRegion()

[sergey.bylokhov at oracle.com]

Changeset: bcfedddcf4ce
Author:    itakiguchi
Date:      2019-05-08 22:59 -0700
URL:       http://hg.openjdk.java.net/jdk/client/rev/bcfedddcf4ce

8211826: StringIndexOutOfBoundsException happens via GetStringUTFRegion()
Reviewed-by: serb

! src/java.desktop/unix/native/libawt_xawt/awt/awt_UNIXToolkit.c
! src/java.desktop/unix/native/libawt_xawt/awt/swing_GTKEngine.c
+ test/jdk/java/awt/Gtk/GtkJNITest/GtkIconTest.java