[RyuJIT/ARM32] hotfix for a regression

Signed-off-by: Hyung-Kyu Choi <[email protected]>

Author: hqueue

src/jit/lower.cpp

@@ -3826,6 +3826,10 @@ GenTree* Lowering::LowerVirtualStubCall(GenTreeCall* call)
 // TODO: specifying register probably unnecessary for other platforms, too.
 #if !defined(_TARGET_UNIX_) && !defined(_TARGET_ARM_)
             indir->gtRegNum = REG_JUMP_THUNK_PARAM;
+#elif defined(_TARGET_ARM_)
+            // TODO-ARM-Cleanup: This is a temporarey hotfix to fix a regression observed in Linux/ARM.
+            if (!comp->IsTargetAbi(CORINFO_CORERT_ABI))
+                indir->gtRegNum = REG_JUMP_THUNK_PARAM;
 #endif
             indir->gtFlags |= GTF_IND_REQ_ADDR_IN_REG;
 #endif