Merge remote-tracking branch 'origin/released'

Conflicts:
	xorg-server/Xext/securitysrv.h
	xorg-server/glx/glxext.h
	xorg-server/glx/indirect_reqsize.c
	xorg-server/glx/indirect_size_get.c
	xorg-server/hw/xwin/winclip.c
	xorg-server/hw/xwin/winfont.c
	xorg-server/hw/xwin/winglobals.c
	xorg-server/hw/xwin/winglobals.h
	xorg-server/hw/xwin/winmonitors.h
	xorg-server/include/closestr.h
	xorg-server/include/pixmapstr.h
	xorg-server/include/servermd.h
	xorg-server/include/site.h
	xorg-server/include/windowstr.h
	xorg-server/include/xkbstr.h

1 files changed, 8 insertions, 0 deletions

diff --git a/mesalib/src/glsl/opt_if_simplification.cpp b/mesalib/src/glsl/opt_if_simplification.cpp
index 940dd08d5..7e88208f7 100644
--- a/mesalib/src/glsl/opt_if_simplification.cpp
+++ b/mesalib/src/glsl/opt_if_simplification.cpp
@@ -66,6 +66,14 @@ do_if_simplification(exec_list *instructions)
 ir_visitor_status
 ir_if_simplification_visitor::visit_leave(ir_if *ir)
 {
+   /* If the if statement has nothing on either side, remove it. */
+   if (ir->then_instructions.is_empty() &&
+       ir->else_instructions.is_empty()) {
+      ir->remove();
+      this->made_progress = true;
+      return visit_continue;
+   }
+
    /* FINISHME: Ideally there would be a way to note that the condition results
     * FINISHME: in a constant before processing both of the other subtrees.
     * FINISHME: This can probably be done with some flags, but it would take