Fix bugzilla 24884 - backend generates wrong 32-bit code after inlini…

…ng math with double[4]

compiler/src/dmd/backend/x86/cod2.d

@@ -4149,6 +4149,7 @@ void cdmemset(ref CGstate cg, ref CodeBuilder cdb,elem *e,regm_t *pretregs)
     if (valueIsConst)
     {
         regwithvalue(cdb, mAX, value, I64?64:0);
+        getregs(cdb, mAX);
         freenode(evalue);
     }
     else

compiler/test/runnable/test24884.d

@@ -0,0 +1,34 @@
+/*
+REQUIRED_ARGS: -inline
+*/
+
+// https://issues.dlang.org/show_bug.cgi?id=24884
+
+pragma(inline, false)
+bool norm(int a) => 0;
+
+pragma(inline, false)
+void inlinebug(ref double[4] point1, ref double[4] point2, ref double[4] point3, ref double[4] abcd)
+{
+    double[4] v1 = 0.0;
+    double[4] v2 = 0.0;
+
+    v1[0] = point1[0] - point2[0];
+    v1[1] = point1[1] - point2[1];
+    v1[2] = point1[2] - point2[2];
+    v1[3] = point1[3];
+    v2[0] = point2[0] - point3[0];
+    v2[1] = point2[1] - point3[1];
+    v2[2] = point2[2] - point3[2];
+
+    int p = cast(int) &abcd;
+    int q = cast(int) &point1;
+    abcd[0] = norm(7) + p;
+    abcd[1] = q + p;
+}
+
+extern(C) void main()
+{
+    double[4] a = 0.0;
+    inlinebug(a, a, a, a);
+}