Cleanup: quiet set-but-unused warnings

source/blender/blenlib/intern/math_interp.cc

@@ -784,6 +784,7 @@ void BLI_ewa_filter(const int width,
   BLI_ewa_imp2radangle(A, B, C, F, &a, &b, &th, &ecc);
   if ((b2 = b * b) < rmin) {
     if ((a2 = a * a) < rmin) {
+      UNUSED_VARS(a2, b2);
       B = 0.0f;
       A = C = rmin;
       F = A * C;

source/blender/editors/interface/interface_ops.cc

@@ -106,6 +106,7 @@ static bool copy_data_path_button_poll(bContext *C)
 
   if (ptr.owner_id && ptr.data && prop) {
     if (const std::optional<std::string> path = RNA_path_from_ID_to_property(&ptr, prop)) {
+      UNUSED_VARS(path);
       return true;
     }
   }
@@ -194,6 +195,7 @@ static bool copy_as_driver_button_poll(bContext *C)
       (index >= 0 || !RNA_property_array_check(prop)))
   {
     if (const std::optional<std::string> path = RNA_path_from_ID_to_property(&ptr, prop)) {
+      UNUSED_VARS(path);
       return true;
     }
   }

source/blender/editors/space_clip/clip_buttons.cc

@@ -797,6 +797,7 @@ void uiTemplateMovieclipInformation(uiLayout *layout,
   else {
     ofs += BLI_strncpy_rlen(str + ofs, RPT_(", failed to load"), sizeof(str) - ofs);
   }
+  UNUSED_VARS(ofs);
 
   uiItemL(col, str, ICON_NONE);
 

source/blender/io/wavefront_obj/importer/obj_import_file_reader.cc

@@ -99,6 +99,7 @@ static void geom_add_vertex(const char *p, const char *end, GlobalVertices &r_gl
       blocks.last().colors.append(linear);
     }
   }
+  UNUSED_VARS(p);
 }
 
 static void geom_add_mrgb_colors(const char *p, const char *end, GlobalVertices &r_global_vertices)