Deep recursion when running LoopParamOver test ?

The `LoopParamOver` test crashes when running in debug mode or address sanitizer mode due to a very deep stack, which looks like a super-deep recursion (see below).
It might not show up in optimized mode as the stack-frames are probably smaller.

But given that the input is:

```SystemVerilog
module Foo ();
parameter P1 = 10;
parameter P2 = P1 + P2;

endmodule

module top();
parameter P3 = P1;
parameter P2 = P3;
parameter P1 = P2;
Foo #(.P1(P2)) sub();
endmodule
```

... it is unclear where the deep recursion of more than 1000 frames is coming from

```
*** SIGSEGV (@0x7fffda3ee400) ***
PC: @ 0x56438cb460a5 (unknown) UHDM::ExprEval::reduceExpr()
@ 0x564390160598 256 FailureSignalHandler()
@ 0x7fdae39eb1c0 (unknown) (unknown)
@ 0x56438c459f7d 1056 SURELOG::CompileHelper::reduceExpr()
@ 0x56438c45c7d3 1840 SURELOG::CompileHelper::getValue()
@ 0x56438c48a380 80 std::__u::__function::__policy_invoker<>::__call_impl<>()
@ 0x56438cb4475f 352 UHDM::ExprEval::getValue()
@ 0x56438cb468f0 12352 UHDM::ExprEval::reduceExpr()
@ 0x56438c459f7d 1056 SURELOG::CompileHelper::reduceExpr()
@ 0x56438c45c7d3 1840 SURELOG::CompileHelper::getValue()
@ 0x56438c48a380 80 std::__u::__function::__policy_invoker<>::__call_impl<>()
@ 0x56438cb4475f 352 UHDM::ExprEval::getValue()
@ 0x56438cb468f0 12352 UHDM::ExprEval::reduceExpr()
@ 0x56438c459f7d 1056 SURELOG::CompileHelper::reduceExpr()
@ 0x56438c45c7d3 1840 SURELOG::CompileHelper::getValue()
@ 0x56438c48a380 80 std::__u::__function::__policy_invoker<>::__call_impl<>()
@ 0x56438cb4475f 352 UHDM::ExprEval::getValue()
@ 0x56438cb468f0 12352 UHDM::ExprEval::reduceExpr()
@ 0x56438c459f7d 1056 SURELOG::CompileHelper::reduceExpr()
@ 0x56438c45c7d3 1840 SURELOG::CompileHelper::getValue()
@ 0x56438c48a380 80 std::__u::__function::__policy_invoker<>::__call_impl<>()
@ 0x56438cb4475f 352 UHDM::ExprEval::getValue()
@ 0x56438cb468f0 12352 UHDM::ExprEval::reduceExpr()
@ 0x56438c459f7d 1056 SURELOG::CompileHelper::reduceExpr()
@ 0x56438c45c7d3 1840 SURELOG::CompileHelper::getValue()
@ 0x56438c48a380 80 std::__u::__function::__policy_invoker<>::__call_impl<>()
@ 0x56438cb4475f 352 UHDM::ExprEval::getValue()
@ 0x56438cb468f0 12352 UHDM::ExprEval::reduceExpr()
@ 0x56438c459f7d 1056 SURELOG::CompileHelper::reduceExpr()
@ 0x56438c45c7d3 1840 SURELOG::CompileHelper::getValue()
@ 0x56438c48a380 80 std::__u::__function::__policy_invoker<>::__call_impl<>()
@ 0x56438cb4475f 352 UHDM::ExprEval::getValue()
@ 0x56438cb468f0 12352 UHDM::ExprEval::reduceExpr()
@ 0x56438c459f7d 1056 SURELOG::CompileHelper::reduceExpr()
@ 0x56438c45c7d3 1840 SURELOG::CompileHelper::getValue()
@ 0x56438c48a380 80 std::__u::__function::__policy_invoker<>::__call_impl<>()
@ 0x56438cb4475f 352 UHDM::ExprEval::getValue()
@ 0x56438cb468f0 12352 UHDM::ExprEval::reduceExpr()
@ 0x56438c459f7d 1056 SURELOG::CompileHelper::reduceExpr()
@ 0x56438c45c7d3 1840 SURELOG::CompileHelper::getValue()
@ 0x56438c48a380 80 std::__u::__function::__policy_invoker<>::__call_impl<>()
@ 0x56438cb4475f 352 UHDM::ExprEval::getValue()
@ 0x56438cb468f0 12352 UHDM::ExprEval::reduceExpr()
@ 0x56438c459f7d 1056 SURELOG::CompileHelper::reduceExpr()
@ 0x56438c45c7d3 1840 SURELOG::CompileHelper::getValue()
@ 0x56438c48a380 80 std::__u::__function::__policy_invoker<>::__call_impl<>()
@ 0x56438cb4475f 352 UHDM::ExprEval::getValue()
@ 0x56438cb468f0 12352 UHDM::ExprEval::reduceExpr()
@ 0x56438c459f7d 1056 SURELOG::CompileHelper::reduceExpr()
@ 0x56438c45c7d3 1840 SURELOG::CompileHelper::getValue()
@ 0x56438c48a380 80 std::__u::__function::__policy_invoker<>::__call_impl<>()
@ 0x56438cb4475f 352 UHDM::ExprEval::getValue()
@ 0x56438cb468f0 12352 UHDM::ExprEval::reduceExpr()
@ 0x56438c459f7d 1056 SURELOG::CompileHelper::reduceExpr()
@ 0x56438c45c7d3 1840 SURELOG::CompileHelper::getValue()
@ 0x56438c48a380 80 std::__u::__function::__policy_invoker<>::__call_impl<>()
@ 0x56438cb4475f 352 UHDM::ExprEval::getValue()
@ 0x56438cb468f0 12352 UHDM::ExprEval::reduceExpr()
@ 0x56438c459f7d 1056 SURELOG::CompileHelper::reduceExpr()
@ 0x56438c45c7d3 1840 SURELOG::CompileHelper::getValue()
@ 0x56438c48a380 80 std::__u::__function::__policy_invoker<>::__call_impl<>()
@ 0x56438cb4475f 352 UHDM::ExprEval::getValue()
@ 0x56438cb468f0 12352 UHDM::ExprEval::reduceExpr()
@ 0x56438c459f7d 1056 SURELOG::CompileHelper::reduceExpr()
@ ... and at least 1000 more frames
```

Start by running the LoopParamOver test in debug or address sanitizer mode with the provided SystemVerilog input. Trace the repeated calls through UHDM::ExprEval::reduceExpr(), SURELOG::CompileHelper::reduceExpr(), and SURELOG::CompileHelper::getValue(). Done means the test no longer crashes from deep recursion and the behavior for this input is handled appropriately.

Written by the indexing model from the issue text.