commit 9f82209e95cc9acea771d01c63f74128e9518c50
Author: Hubert Figuière <hub figuiere net>
Date:   Sun Oct 30 22:51:46 2016 -0400

    Various fixes for gcc 6:
            * src/dbgengine/nmv-dbg-common.h: explicit bool cast
            * src/persp/dbgperspective/nmv-dbg-perspective.cc: check
            Glib::RefPtr<> against false instead of 0.

diff --git a/src/dbgengine/nmv-dbg-common.h b/src/dbgengine/nmv-dbg-common.h
index ad3cc00..41074b0 100644
--- a/src/dbgengine/nmv-dbg-common.h
+++ b/src/dbgengine/nmv-dbg-common.h
@@ -171,7 +171,7 @@ public:
 
     bool has_slot () const
     {
-        return m_slot;
+        return static_cast<bool>(m_slot);
     }
 
     template<class T>
diff --git a/src/persp/dbgperspective/nmv-dbg-perspective.cc b/src/persp/dbgperspective/nmv-dbg-perspective.cc
index be652db..ac207e4 100644
--- a/src/persp/dbgperspective/nmv-dbg-perspective.cc
+++ b/src/persp/dbgperspective/nmv-dbg-perspective.cc
@@ -5672,7 +5672,7 @@ DBGPerspective::switch_to_asm (const common::DisassembleInfo &a_info,
     a_source_editor->clear_decorations ();
 
     Glib::RefPtr<Gsv::Buffer> asm_buf;
-    if ((asm_buf = a_source_editor->get_assembly_source_buffer ()) == 0) {
+    if (!(asm_buf = a_source_editor->get_assembly_source_buffer ())) {
         SourceEditor::setup_buffer_mime_and_lang (asm_buf, "text/x-asm");
         a_source_editor->register_assembly_source_buffer (asm_buf);
         asm_buf = a_source_editor->get_assembly_source_buffer ();
@@ -5720,7 +5720,7 @@ DBGPerspective::switch_to_source_code ()
 
     Glib::RefPtr<Gsv::Buffer> source_buf;
     UString source_path;
-    if ((source_buf = source_editor->get_non_assembly_source_buffer ()) == 0) {
+    if (!(source_buf = source_editor->get_non_assembly_source_buffer ())) {
         // Woops!
         // We don't have any source code buffer. Let's try hard to get
         // the source code corresponding to the current frame. For that,