Fix arm32

Author: filipnavara

src/coreclr/runtime/arm/AllocFast.S

@@ -109,12 +109,14 @@ NESTED_END RhpNewObject, _TEXT
 .macro NEW_ARRAY_FAST
         mov         r4, r0 // Save MethodTable
         mov         r5, r1 // Save element count
-        mov         r6, r2 // Save string size
+        mov         r6, r2 // Save string/array size
+
         // r0 = ee_alloc_context pointer; trashes volatile registers, expects saved lr
         INLINE_GET_ALLOC_CONTEXT
+
         // r4 == MethodTable
         // r5 == element count
-        // r6 == string size
+        // r6 == string/array size
         // r0 == ee_alloc_context*
 
         // Load potential new object address into r12.
@@ -123,7 +125,7 @@ NESTED_END RhpNewObject, _TEXT
         // Determine whether the end of the object would lie outside of the current allocation context. If so,
         // we abandon the attempt to allocate the object directly and fall back to the slow helper.
         adds        r6, r12
-        bcs         1f // if we get a carry here, the string is too large to fit below 4 GB
+        bcs         1f // if we get a carry here, the string/array is too large to fit below 4 GB
 
         ldr         r12, [r0, #OFFSETOF__ee_alloc_context__combined_limit]
         cmp         r6, r12
@@ -255,12 +257,16 @@ LEAF_ENTRY RhpNewObjectArrayFast, _TEXT
 
         MOV32       r2, (ASM_LARGE_OBJECT_SIZE - 256)/4 // sizeof(void*)
         cmp         r1, r2
-        bhs         C_FUNC(RhpNewArray)
+        bhs         LOCAL_LABEL(RhpNewObjectArrayFast_RarePath)
 
         ldr         r2, [r0, #OFFSETOF__MethodTable__m_uBaseSize]
         add         r2, r2, r1, lsl #2
 
         NEW_ARRAY_FAST
+
+LOCAL_LABEL(RhpNewObjectArrayFast_RarePath):
+        NEW_ARRAY_FAST_TAIL_EPILOG
+        b           C_FUNC(RhpNewArray)
 LEAF_END RhpNewObjectArrayFast, _TEXT
 #endif