[clang] [analyzer] Simplify SVal for simple NonLoc->Loc casts (PR #66463)

[Ding Fei via cfe-commits]

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@@ -0,0 +1,31 @@
+// RUN: %clang_analyze_cc1 %s \
+// RUN:   -analyzer-checker=core \
+// RUN:   -analyzer-checker=debug.ExprInspection \
+// RUN:   -analyzer-config eagerly-assume=false \
+// RUN:   -verify
+
+void clang_analyzer_eval(int);
+
+void test_simplified_before_cast_add(long long t1) {
+  long long t2 = t1 + 3;
+  if (!t2) {
+    int *p = (int *) t2;
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danix800 wrote:

I'll move this into `symbol-simplification-nonloc-loc.cpp` which already restrict that target to be `x86_64`.

https://github.com/llvm/llvm-project/pull/66463