Index: src/invocation/invoke-x86_64.m
==================================================================
--- src/invocation/invoke-x86_64.m
+++ src/invocation/invoke-x86_64.m
@@ -282,11 +282,10 @@
 			long double longDoubleTmp;
 			[invocation getArgument: &longDoubleTmp
 					atIndex: i];
 			pushLongDouble(&context, longDoubleTmp);
 			break;
-#ifndef __STDC_NO_COMPLEX__
 		case 'j':
 			switch (typeEncoding[1]) {
 			case 'f':;
 				double complexFloatTmp;
 				[invocation getArgument: &complexFloatTmp
@@ -312,11 +311,10 @@
 				free(context);
 				@throw [OFInvalidFormatException exception];
 			}
 
 			break;
-#endif
 		/* TODO: '[' */
 		/* TODO: '{' */
 		/* TODO: '(' */
 		default:
 			free(context);
@@ -355,11 +353,10 @@
 		context->returnType = RETURN_TYPE_NORMAL;
 		break;
 	case 'D':
 		context->returnType = RETURN_TYPE_X87;
 		break;
-#ifndef __STDC_NO_COMPLEX__
 	case 'j':
 		switch (typeEncoding[1]) {
 		case 'f':
 		case 'd':
 			context->returnType = RETURN_TYPE_NORMAL;
@@ -371,11 +368,10 @@
 			free(context);
 			@throw [OFInvalidFormatException exception];
 		}
 
 		break;
-#endif
 	/* TODO: '[' */
 	/* TODO: '{' */
 	/* TODO: '(' */
 	default:
 		free(context);
@@ -426,11 +422,10 @@
 			[invocation setReturnValue: &doubleTmp];
 			break;
 		case 'D':
 			[invocation setReturnValue: &context->X87[0]];
 			break;
-#ifndef __STDC_NO_COMPLEX__
 		case 'j':
 			switch (typeEncoding[1]) {
 			case 'f':;
 				double complexFloatTmp;
 				_mm_store_sd(&complexFloatTmp,
@@ -452,11 +447,10 @@
 				free(context);
 				@throw [OFInvalidFormatException exception];
 			}
 
 			break;
-#endif
 		/* TODO: '[' */
 		/* TODO: '{' */
 		/* TODO: '(' */
 		default:
 			free(context);