Fix PR32298 by adding an early exit to getFrameIndexExprs().

Also add an assertion for the case that there are multiple FI
expressions with a DW_OP_LLVM_fragment; which should violate internal
constraints in DbgVariable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298518 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed