Merge https://github.com/coelckers/gzdoom

src/p_map.cpp

@@ -3535,9 +3535,9 @@ bool P_BounceActor(AActor *mo, AActor *BlockingMobj, bool ontop)
 		if (mo->bouncecount>0 && --mo->bouncecount == 0)
 		{
 			if (mo->flags & MF_MISSILE)
-				P_ExplodeMissile(mo, nullptr, nullptr);
+				P_ExplodeMissile(mo, nullptr, BlockingMobj);
 			else
-				mo->CallDie(nullptr, nullptr);
+				mo->CallDie(BlockingMobj, nullptr);
 			return true;
 		}
 

src/p_mobj.cpp

@@ -1814,16 +1814,19 @@ void P_ExplodeMissile (AActor *mo, line_t *line, AActor *target)
 	mo->effects = 0;		// [RH]
 	mo->flags &= ~MF_SHOOTABLE;
 	
-	FState *nextstate=NULL;
+	FState *nextstate = nullptr;
 	
-	if (target != NULL && ((target->flags & (MF_SHOOTABLE|MF_CORPSE)) || (target->flags6 & MF6_KILLED)) )
+	if (target != nullptr)
 	{
 		if (mo->flags7 & MF7_HITTARGET)	mo->target = target;
 		if (mo->flags7 & MF7_HITMASTER)	mo->master = target;
 		if (mo->flags7 & MF7_HITTRACER)	mo->tracer = target;
+		if ((target->flags & (MF_SHOOTABLE | MF_CORPSE)) || (target->flags6 & MF6_KILLED))
+		{
 			if (target->flags & MF_NOBLOOD) nextstate = mo->FindState(NAME_Crash);
 			if (nextstate == NULL) nextstate = mo->FindState(NAME_Death, NAME_Extreme);
 		}
+	}
 	if (nextstate == NULL) nextstate = mo->FindState(NAME_Death);
 	
 	if (line != NULL && line->special == Line_Horizon && !(mo->flags3 & MF3_SKYEXPLODE))

src/scripting/codegeneration/codegen.cpp

@@ -8202,14 +8202,16 @@ FxExpression *FxVMFunctionCall::Resolve(FCompileContext& ctx)
 			{
 				// only cast implicit-string types for vararg, leave everything else as-is
 				// this was outright copypasted from FxFormat
-				ArgList[i] = ArgList[i]->Resolve(ctx);
-				if (ArgList[i]->ValueType == TypeName ||
-					ArgList[i]->ValueType == TypeSound)
+				x = ArgList[i]->Resolve(ctx);
+				if (x)
+				{
+					if (x->ValueType == TypeName ||
+						x->ValueType == TypeSound)
 					{
 						x = new FxStringCast(ArgList[i]);
 						x = x->Resolve(ctx);
 					}
-				else x = ArgList[i];
+				}
 			}
 			else if (!(flag & (VARF_Ref|VARF_Out)))
 			{