MIPS32: Fix GenerateVirtualCall in the presence of intrinsics

Fix GenerateVirtualCall like it is done in the
I0ed88a48b313a8d28bc39fae40631123aadb13ef for all other architectures.

Test: mma -j2 test-art-target-run-test-optimizing on CI20
Change-Id: Ie55c62701b20c4f40badc95563b2aef9e83807de
1 file changed