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diff --git a/test/CodeGen/WinEH/cppeh-nested-rethrow.ll b/test/CodeGen/WinEH/cppeh-nested-rethrow.ll
new file mode 100644
index 000000000000..60b404113345
--- /dev/null
+++ b/test/CodeGen/WinEH/cppeh-nested-rethrow.ll
@@ -0,0 +1,212 @@
+; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s
+
+; This test was generated from the following code.
+;
+; void test1() {
+; try {
+; try {
+; throw 1;
+; } catch(...) { throw; }
+; } catch (...) { }
+; }
+; void test2() {
+; try {
+; throw 1;
+; } catch(...) {
+; try {
+; throw;
+; } catch (...) {}
+; }
+; }
+;
+; These two functions result in functionally equivalent code, but the last
+; catch block contains a call to llvm.eh.endcatch that tripped up processing
+; during development.
+;
+; The main purpose of this test is to verify that we can correctly
+; handle the case of nested landing pads that return directly to a block in
+; the parent function.
+
+; ModuleID = 'cppeh-nested-rethrow.cpp'
+target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-pc-windows-msvc"
+
+%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
+%eh.CatchableType = type { i32, i32, i32, i32, i32, i32, i32 }
+%eh.CatchableTypeArray.1 = type { i32, [1 x i32] }
+%eh.ThrowInfo = type { i32, i32, i32, i32 }
+
+$"\01??_R0H@8" = comdat any
+
+$"_CT??_R0H@84" = comdat any
+
+$_CTA1H = comdat any
+
+$_TI1H = comdat any
+
+@"\01??_7type_info@@6B@" = external constant i8*
+@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
+@__ImageBase = external constant i8
+@"_CT??_R0H@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 4, i32 0 }, section ".xdata", comdat
+@_CTA1H = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableType* @"_CT??_R0H@84" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32)] }, section ".xdata", comdat
+@_TI1H = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableTypeArray.1* @_CTA1H to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section ".xdata", comdat
+
+; CHECK-LABEL: define void @"\01?test1@@YAXXZ"()
+; CHECK: entry:
+; CHECK: call void (...) @llvm.frameescape
+
+; Function Attrs: nounwind uwtable
+define void @"\01?test1@@YAXXZ"() #0 {
+entry:
+ %tmp = alloca i32, align 4
+ %exn.slot = alloca i8*
+ %ehselector.slot = alloca i32
+ store i32 1, i32* %tmp
+ %0 = bitcast i32* %tmp to i8*
+ invoke void @_CxxThrowException(i8* %0, %eh.ThrowInfo* @_TI1H) #2
+ to label %unreachable unwind label %lpad
+
+lpad: ; preds = %entry
+ %1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
+ catch i8* null
+ %2 = extractvalue { i8*, i32 } %1, 0
+ store i8* %2, i8** %exn.slot
+ %3 = extractvalue { i8*, i32 } %1, 1
+ store i32 %3, i32* %ehselector.slot
+ br label %catch
+
+catch: ; preds = %lpad
+ %exn = load i8*, i8** %exn.slot
+ call void @llvm.eh.begincatch(i8* %exn, i8* null) #1
+ invoke void @_CxxThrowException(i8* null, %eh.ThrowInfo* null) #2
+ to label %unreachable unwind label %lpad1
+
+lpad1: ; preds = %catch
+ %4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
+ catch i8* null
+ %5 = extractvalue { i8*, i32 } %4, 0
+ store i8* %5, i8** %exn.slot
+ %6 = extractvalue { i8*, i32 } %4, 1
+ store i32 %6, i32* %ehselector.slot
+ br label %catch2
+
+catch2: ; preds = %lpad1
+ %exn3 = load i8*, i8** %exn.slot
+ call void @llvm.eh.begincatch(i8* %exn3, i8* null) #1
+ call void @llvm.eh.endcatch() #1
+ br label %try.cont.4
+
+; This block should not be eliminated.
+; CHECK: try.cont.4:
+try.cont.4: ; preds = %catch2, %try.cont
+ ret void
+
+try.cont: ; No predecessors!
+ br label %try.cont.4
+
+unreachable: ; preds = %catch, %entry
+ unreachable
+; CHECK: }
+}
+
+declare void @_CxxThrowException(i8*, %eh.ThrowInfo*)
+
+declare i32 @__CxxFrameHandler3(...)
+
+; Function Attrs: nounwind
+declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #1
+
+; Function Attrs: nounwind
+declare void @llvm.eh.endcatch() #1
+
+; CHECK-LABEL: define void @"\01?test2@@YAXXZ"()
+; CHECK: entry:
+; CHECK: call void (...) @llvm.frameescape
+
+; Function Attrs: nounwind uwtable
+define void @"\01?test2@@YAXXZ"() #0 {
+entry:
+ %tmp = alloca i32, align 4
+ %exn.slot = alloca i8*
+ %ehselector.slot = alloca i32
+ store i32 1, i32* %tmp
+ %0 = bitcast i32* %tmp to i8*
+ invoke void @_CxxThrowException(i8* %0, %eh.ThrowInfo* @_TI1H) #2
+ to label %unreachable unwind label %lpad
+
+lpad: ; preds = %entry
+ %1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
+ catch i8* null
+ %2 = extractvalue { i8*, i32 } %1, 0
+ store i8* %2, i8** %exn.slot
+ %3 = extractvalue { i8*, i32 } %1, 1
+ store i32 %3, i32* %ehselector.slot
+ br label %catch
+
+catch: ; preds = %lpad
+ %exn = load i8*, i8** %exn.slot
+ call void @llvm.eh.begincatch(i8* %exn, i8* null) #1
+ invoke void @_CxxThrowException(i8* null, %eh.ThrowInfo* null) #2
+ to label %unreachable unwind label %lpad1
+
+lpad1: ; preds = %catch
+ %4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
+ catch i8* null
+ %5 = extractvalue { i8*, i32 } %4, 0
+ store i8* %5, i8** %exn.slot
+ %6 = extractvalue { i8*, i32 } %4, 1
+ store i32 %6, i32* %ehselector.slot
+ br label %catch2
+
+catch2: ; preds = %lpad1
+ %exn3 = load i8*, i8** %exn.slot
+ call void @llvm.eh.begincatch(i8* %exn3, i8* null) #1
+ call void @llvm.eh.endcatch() #1
+ br label %try.cont
+
+; This block should not be eliminated.
+; CHECK: try.cont:
+; The endcatch call should be eliminated.
+; CHECK-NOT: call void @llvm.eh.endcatch()
+try.cont: ; preds = %catch2
+ call void @llvm.eh.endcatch() #1
+ br label %try.cont.4
+
+try.cont.4: ; preds = %try.cont
+ ret void
+
+unreachable: ; preds = %catch, %entry
+ unreachable
+; CHECK: }
+}
+
+; The outlined test1.catch handler should return to a valid block address.
+; CHECK-LABEL: define internal i8* @"\01?test1@@YAXXZ.catch"(i8*, i8*)
+; CHECK-NOT: ret i8* inttoptr (i32 1 to i8*)
+; CHECK: }
+
+; The outlined test1.catch1 handler should not contain a return instruction.
+; CHECK-LABEL: define internal i8* @"\01?test1@@YAXXZ.catch.1"(i8*, i8*)
+; CHECK-NOT: ret
+; CHECK: }
+
+; The outlined test2.catch handler should return to a valid block address.
+; CHECK-LABEL: define internal i8* @"\01?test2@@YAXXZ.catch"(i8*, i8*)
+; CHECK-NOT: ret i8* inttoptr (i32 1 to i8*)
+; CHECK: }
+
+; The outlined test2.catch2 handler should not contain a return instruction.
+; CHECK-LABEL: define internal i8* @"\01?test2@@YAXXZ.catch.2"(i8*, i8*)
+; CHECK-NOT: ret
+; CHECK: }
+
+
+attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { nounwind }
+attributes #2 = { noreturn }
+
+!llvm.module.flags = !{!0}
+!llvm.ident = !{!1}
+
+!0 = !{i32 1, !"PIC Level", i32 2}
+!1 = !{!"clang version 3.7.0 (trunk 236059)"}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-15 10:42:47 +0000