Cleanup: fix compiler warnings.

intern/cycles/device/device_multi.cpp

@@ -145,6 +145,7 @@ public:
 					return subresult;
 
 				case DEVICE_KERNEL_USING_FEATURE_KERNEL:
+				case DEVICE_KERNEL_UNKNOWN:
 					break;
 			}
 		}

source/blender/depsgraph/intern/builder/deg_builder_rna.h

@@ -35,7 +35,7 @@ namespace DEG {
 
 struct Depsgraph;
 struct Node;
-struct RNANodeQueryIDData;
+class RNANodeQueryIDData;
 
 /* For queries which gives operation node or key defines whether we are
  * interested in a result of the given property or whether we are linking some

source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc

@@ -929,7 +929,7 @@ ID *deg_update_copy_on_write_datablock(const Depsgraph *depsgraph,
 	 * generic backup structure. */
 	DrawDataList drawdata_backup;
 	DrawDataList *drawdata_ptr = NULL;
-	ObjectRuntimeBackup object_runtime_backup = {{0}};
+	ObjectRuntimeBackup object_runtime_backup = {{{0}}};
 	if (check_datablock_expanded(id_cow)) {
 		switch (id_type) {
 			case ID_OB:

source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.h

@@ -44,7 +44,7 @@ struct Depsgraph;
 namespace DEG {
 
 struct Depsgraph;
-struct DepsgraphNodeBuilder;
+class DepsgraphNodeBuilder;
 struct IDNode;
 
 /* Get fully expanded (ready for use) copy-on-write datablock for the given

source/blender/draw/engines/basic/basic_engine.c

@@ -66,7 +66,7 @@ typedef struct BASIC_Shaders {
 
 static struct {
 	BASIC_Shaders sh_data[GPU_SHADER_CFG_LEN];
-} e_data = {NULL}; /* Engine data */
+} e_data = {{{NULL}}}; /* Engine data */
 
 typedef struct BASIC_PrivateData {
 	DRWShadingGroup *depth_shgrp;

source/blender/draw/intern/draw_cache_impl_mesh.c

@@ -2140,7 +2140,7 @@ static void mesh_create_edit_vertex_loops(
 	uchar fflag;
 
 	/* Static formats */
-	static struct { GPUVertFormat sel_id, pos_nor, lnor, flag, uv; } format = { 0 };
+	static struct { GPUVertFormat sel_id, pos_nor, lnor, flag, uv; } format = {{ 0 }};
 	static struct { uint sel_id, pos, nor, lnor, data, uvs; } attr_id;
 	if (format.sel_id.attr_len == 0) {
 		attr_id.sel_id = GPU_vertformat_attr_add(&format.sel_id, "color", GPU_COMP_U32, 1, GPU_FETCH_INT);

source/blender/draw/intern/draw_common.c

@@ -41,7 +41,7 @@
 	ARRAY_SET_ITEMS(v4, (float)r / 255.0f, (float)g / 255.0f, (float)b / 255.0f, (float)a / 255.0f)
 
 /* Colors & Constant */
-struct DRW_Global G_draw = {0};
+struct DRW_Global G_draw = {{{0}}};
 
 static bool weight_ramp_custom = false;
 static ColorBand weight_ramp_copy;

source/blender/draw/modes/edit_curve_mode.c

@@ -86,7 +86,7 @@ typedef struct EDIT_CURVE_Shaders {
 
 static struct {
 	EDIT_CURVE_Shaders sh_data[GPU_SHADER_CFG_LEN];
-} e_data = {NULL}; /* Engine data */
+} e_data = {{{NULL}}}; /* Engine data */
 
 typedef struct EDIT_CURVE_PrivateData {
 	/* resulting curve as 'wire' for curves (and optionally normals) */

source/blender/draw/modes/edit_lattice_mode.c

@@ -99,7 +99,7 @@ static struct {
 
 	EDIT_LATTICE_Shaders sh_data[GPU_SHADER_CFG_LEN];
 
-} e_data = {NULL}; /* Engine data */
+} e_data = {{{NULL}}}; /* Engine data */
 
 typedef struct EDIT_LATTICE_PrivateData {
 	/* This keeps the references of the shading groups for

source/blender/draw/modes/edit_mesh_mode.c

@@ -122,7 +122,7 @@ static struct {
 	/* temp buffer texture */
 	struct GPUTexture *occlude_wire_depth_tx;
 	struct GPUTexture *occlude_wire_color_tx;
-} e_data = {NULL}; /* Engine data */
+} e_data = {{{NULL}}}; /* Engine data */
 
 typedef struct EDIT_MESH_PrivateData {
 	/* weight */

source/blender/draw/modes/overlay_mode.c

@@ -82,7 +82,7 @@ typedef struct OVERLAY_Shaders {
 /* *********** STATIC *********** */
 static struct {
 	OVERLAY_Shaders sh_data[GPU_SHADER_CFG_LEN];
-} e_data = {NULL};
+} e_data = {{{NULL}}};
 
 /* Shaders */
 extern char datatoc_overlay_face_orientation_frag_glsl[];

source/blender/freestyle/intern/stroke/StrokeRep.cpp

@@ -376,8 +376,8 @@ void Strip::cleanUpSingularities (const vector<StrokeVertex*>& iStrokeVertices)
 	if (iStrokeVertices.size() < 2)
 		return;
 	int i = 0, j;
-	vector<StrokeVertex *>::const_iterator v, vend, v2, vPrev;
-	StrokeVertex *sv, *sv2; //soc unused -  *svPrev;
+	vector<StrokeVertex *>::const_iterator v, vend, v2;
+	StrokeVertex *sv, *sv2;
 
 	bool singu1 = false, singu2 = false;
 	int timeSinceSingu1 = 0, timeSinceSingu2 = 0;

source/blender/gpu/intern/gpu_shader.c

@@ -184,7 +184,7 @@ const struct GPUShaderConfigData GPU_shader_cfg_data[GPU_SHADER_CFG_LEN] = {
 };
 
 /* cache of built-in shaders (each is created on first use) */
-static GPUShader *builtin_shaders[GPU_SHADER_CFG_LEN][GPU_SHADER_BUILTIN_LEN] = {NULL};
+static GPUShader *builtin_shaders[GPU_SHADER_CFG_LEN][GPU_SHADER_BUILTIN_LEN] = {{NULL}};
 
 #ifndef NDEBUG
 static uint g_shaderid = 0;
@@ -570,7 +570,7 @@ static const char *string_join_array_maybe_alloc(const char **str_arr, bool *r_i
 struct GPUShader *GPU_shader_create_from_arrays_impl(
         const struct GPU_ShaderCreateFromArray_Params *params)
 {
-	struct { const char *str; bool is_alloc;} str_dst[4] = {0};
+	struct { const char *str; bool is_alloc;} str_dst[4] = {{0}};
 	const char **str_src[4] = {params->vert, params->frag, params->geom, params->defs};
 
 	for (int i = 0; i < ARRAY_SIZE(str_src); i++) {