diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index 48c686b7326086..3c96b3f20461e4 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -3317,10 +3317,7 @@ ScalarEvolution::getGEPExpr(GEPOperator *GEP,
   }
 
   // Add the total offset from all the GEP indices to the base.
-  auto *GEPExpr = getAddExpr(BaseExpr, TotalOffset, Wrap);
-  assert(BaseExpr->getType() == GEPExpr->getType() &&
-         "GEP should not change type mid-flight.");
-  return GEPExpr;
+  return getAddExpr(BaseExpr, TotalOffset, Wrap);
 }
 
 std::tuple<SCEV *, FoldingSetNodeID, void *>
diff --git a/llvm/test/Analysis/ScalarEvolution/pr46786.ll b/llvm/test/Analysis/ScalarEvolution/pr46786.ll
new file mode 100644
index 00000000000000..21a65702b3a35a
--- /dev/null
+++ b/llvm/test/Analysis/ScalarEvolution/pr46786.ll
@@ -0,0 +1,37 @@
+; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
+; RUN: opt < %s -analyze -enable-new-pm=0 -scalar-evolution | FileCheck %s
+; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck %s
+
+source_filename = "input.cpp"
+target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
+
+; Function Attrs: nofree
+define i8* @FSE_decompress_usingDTable(i8* %arg, i32 %arg1, i32 %arg2, i32 %arg3) local_unnamed_addr #0 {
+; CHECK-LABEL: 'FSE_decompress_usingDTable'
+; CHECK-NEXT:  Classifying expressions for: @FSE_decompress_usingDTable
+; CHECK-NEXT:    %i = getelementptr inbounds i8, i8* %arg, i32 %arg2
+; CHECK-NEXT:    --> (%arg2 + %arg)<nsw> U: full-set S: full-set
+; CHECK-NEXT:    %i4 = sub nsw i32 0, %arg1
+; CHECK-NEXT:    --> (-1 * %arg1) U: full-set S: full-set
+; CHECK-NEXT:    %i5 = getelementptr inbounds i8, i8* %i, i32 %i4
+; CHECK-NEXT:    --> ((-1 * %arg1) + %arg2 + %arg) U: full-set S: full-set
+; CHECK-NEXT:    %i7 = select i1 %i6, i32 %arg2, i32 %arg1
+; CHECK-NEXT:    --> ((-1 * %arg) + (((-1 * %arg1) + %arg2 + %arg) umin %arg) + %arg1) U: full-set S: full-set
+; CHECK-NEXT:    %i8 = sub i32 %arg3, %i7
+; CHECK-NEXT:    --> ((-1 * (((-1 * %arg1) + %arg2 + %arg) umin %arg)) + (-1 * %arg1) + %arg3 + %arg) U: full-set S: full-set
+; CHECK-NEXT:    %i9 = getelementptr inbounds i8, i8* %arg, i32 %i8
+; CHECK-NEXT:    --> ((2 * %arg) + (-1 * (((-1 * %arg1) + %arg2 + %arg) umin %arg)) + (-1 * %arg1) + %arg3) U: full-set S: full-set
+; CHECK-NEXT:  Determining loop execution counts for: @FSE_decompress_usingDTable
+;
+bb:
+  %i = getelementptr inbounds i8, i8* %arg, i32 %arg2
+  %i4 = sub nsw i32 0, %arg1
+  %i5 = getelementptr inbounds i8, i8* %i, i32 %i4
+  %i6 = icmp ult i8* %i5, %arg
+  %i7 = select i1 %i6, i32 %arg2, i32 %arg1
+  %i8 = sub i32 %arg3, %i7
+  %i9 = getelementptr inbounds i8, i8* %arg, i32 %i8
+  ret i8* %i9
+}
+
+attributes #0 = { nofree }