diff --git a/build_files/cmake/clang_array_check.py b/build_files/cmake/clang_array_check.py
index fc85b5c454d..f29d3c75608 100644
--- a/build_files/cmake/clang_array_check.py
+++ b/build_files/cmake/clang_array_check.py
@@ -21,6 +21,7 @@ Invocation:
 
 # delay parsing functions until we need them
 USE_LAZY_INIT = True
+USE_EXACT_COMPARE = False
 
 # -----------------------------------------------------------------------------
 # predefined function/arg sizes, handy sometimes, but not complete...
@@ -307,14 +308,24 @@ def file_check_arg_sizes(tu):
 
                                 # testing
                                 # size_def = 100
-                                if size < size_def and size != 1:
-                                    location = node.location
-                                    print("%s:%d:%d: argument %d is size %d, should be %d" %
-                                          (location.file,
-                                           location.line,
-                                           location.column,
-                                           i + 1, size, size_def
-                                           ))
+                                if size != 1:
+                                    if USE_EXACT_COMPARE:
+                                        # is_err = (size != size_def) and (size != 4 and size_def != 3)
+                                        is_err = (size != size_def)
+                                    else:
+                                        is_err = (size < size_def)
+
+                                    if is_err:
+                                        location = node.location
+                                        # if "math_color_inline.c" not in str(location.file):
+                                        if 1:
+                                            print("%s:%d:%d: argument %d is size %d, should be %d (from %s)" %
+                                                  (location.file,
+                                                   location.line,
+                                                   location.column,
+                                                   i + 1, size, size_def,
+                                                   args[0]  # always the same but useful when running threaded
+                                                   ))
 
     # we dont really care what we are looking at, just scan entire file for
     # function calls.
diff --git a/build_files/cmake/cmake_static_check_clang_array.py b/build_files/cmake/cmake_static_check_clang_array.py
index 22b5d07c40c..17298599bdd 100644
--- a/build_files/cmake/cmake_static_check_clang_array.py
+++ b/build_files/cmake/cmake_static_check_clang_array.py
@@ -49,6 +49,10 @@ def main():
 
     check_commands = []
     for c, inc_dirs, defs in source_info:
+
+        #~if "source/blender" not in c:
+        #~    continue
+
         cmd = ([CHECKER_BIN] +
                CHECKER_ARGS +
                [c] +
diff --git a/source/blender/bmesh/intern/bmesh_core.c b/source/blender/bmesh/intern/bmesh_core.c
index f46f73c5350..bec9d5c4d1a 100644
--- a/source/blender/bmesh/intern/bmesh_core.c
+++ b/source/blender/bmesh/intern/bmesh_core.c
@@ -495,7 +495,10 @@ int bmesh_elem_check(void *element, const char htype)
 
 			if (len != f->len)
 				err |= (1 << 23);
+			break;
 		}
+		default:
+			BLI_assert(0);
 	}
 
 	BMESH_ASSERT(err == 0);
diff --git a/source/blender/bmesh/intern/bmesh_mesh.c b/source/blender/bmesh/intern/bmesh_mesh.c
index 988b03d3c9d..2c16bb3a9fe 100644
--- a/source/blender/bmesh/intern/bmesh_mesh.c
+++ b/source/blender/bmesh/intern/bmesh_mesh.c
@@ -291,7 +291,7 @@ void BM_mesh_normals_update(BMesh *bm, const bool skip_hidden)
 	/* compute normalized direction vectors for each edge. directions will be
 	 * used below for calculating the weights of the face normals on the vertex
 	 * normals */
-	edgevec = MEM_mallocN(sizeof(float) * 3 * bm->totedge, "BM normal computation array");
+	edgevec = MEM_mallocN(sizeof(*edgevec) * bm->totedge, __func__);
 	BM_ITER_MESH_INDEX (e, &iter, bm, BM_EDGES_OF_MESH, index) {
 		BM_elem_index_set(e, index); /* set_inline */
 
@@ -609,11 +609,16 @@ void BM_mesh_elem_index_validate(BMesh *bm, const char *location, const char *fu
  */
 int BM_mesh_elem_count(BMesh *bm, const char htype)
 {
-	if (htype == BM_VERT) return bm->totvert;
-	else if (htype == BM_EDGE) return bm->totedge;
-	else if (htype == BM_FACE) return bm->totface;
-
-	return 0;
+	switch (htype) {
+		case BM_VERT: return bm->totvert;
+		case BM_EDGE: return bm->totedge;
+		case BM_FACE: return bm->totface;
+		default:
+		{
+			BLI_assert(0);
+			return 0;
+		}
+	}
 }
 
 /**
diff --git a/source/blender/editors/curve/editfont.c b/source/blender/editors/curve/editfont.c
index 63444c5c17e..16e7e0fde4a 100644
--- a/source/blender/editors/curve/editfont.c
+++ b/source/blender/editors/curve/editfont.c
@@ -455,9 +455,7 @@ static void txt_add_object(bContext *C, TextLine *firstline, int totline, float
 
 	BKE_object_where_is_calc(scene, obedit);
 
-	obedit->loc[0] += offset[0];
-	obedit->loc[1] += offset[1];
-	obedit->loc[2] += offset[2];
+	add_v3_v3(obedit->loc, offset);
 
 	cu = obedit->data;
 	cu->vfont = BKE_vfont_builtin_get();
diff --git a/source/blender/editors/object/object_relations.c b/source/blender/editors/object/object_relations.c
index 5a688d7daf3..48ef663592a 100644
--- a/source/blender/editors/object/object_relations.c
+++ b/source/blender/editors/object/object_relations.c
@@ -736,9 +736,7 @@ int ED_object_parent_set(ReportList *reports, Main *bmain, Scene *scene, Object
 				BKE_get_constraint_target_matrix(scene, con, 0, CONSTRAINT_OBTYPE_OBJECT, NULL, cmat, scene->r.cfra);
 				sub_v3_v3v3(vec, ob->obmat[3], cmat[3]);
 				
-				ob->loc[0] = vec[0];
-				ob->loc[1] = vec[1];
-				ob->loc[2] = vec[2];
+				copy_v3_v3(ob->loc, vec);
 			}
 			else if (pararm && ob->type == OB_MESH && par->type == OB_ARMATURE) {
 				if (partype == PAR_ARMATURE_NAME)