From a74a6b5fdf35f011ca38e219e3728ca74fc5ea04 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 29 Oct 2001 14:08:33 +0000
Subject: [PATCH] Fix problem next'ing over an external method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1027 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/ExecutionEngine/Interpreter/Execution.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/ExecutionEngine/Interpreter/Execution.cpp b/lib/ExecutionEngine/Interpreter/Execution.cpp
index 1d7ec7aa8ee..9d07d2dd1a7 100644
--- a/lib/ExecutionEngine/Interpreter/Execution.cpp
+++ b/lib/ExecutionEngine/Interpreter/Execution.cpp
@@ -894,6 +894,7 @@ void Interpreter::nextInstruction() {  // Do the 'next' command
   // If this is a call instruction, step over the call instruction...
   // TODO: ICALL, CALL WITH, ...
   if ((*ECStack.back().CurInst)->getOpcode() == Instruction::Call) {
+    unsigned StackSize = ECStack.size();
     // Step into the function...
     if (executeInstruction()) {
       // Hit a breakpoint, print current instruction, then return to user...
@@ -902,8 +903,11 @@ void Interpreter::nextInstruction() {  // Do the 'next' command
       return;
     }
 
-    // Finish executing the function...
-    finish();
+    // If we we able to step into the function, finish it now.  We might not be
+    // able the step into a function, if it's external for example.
+    if (ECStack.size() != StackSize)
+      finish(); // Finish executing the function...
+
   } else {
     // Normal instruction, just step...
     stepInstruction();