BIND 10 trac542, updated. 50ca3176a95f7ca760c0749d7a92634e2526369d [trac542] Add additonal comments to run_all.cc

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- Log -----------------------------------------------------------------
commit 50ca3176a95f7ca760c0749d7a92634e2526369d
Author: Stephen Morris <stephen at isc.org>
Date:   Thu May 12 13:18:06 2011 +0100

    [trac542] Add additonal comments to run_all.cc

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Summary of changes:
 src/lib/util/unittests/run_all.cc |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

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diff --git a/src/lib/util/unittests/run_all.cc b/src/lib/util/unittests/run_all.cc
index f96b274..93c90d1 100644
--- a/src/lib/util/unittests/run_all.cc
+++ b/src/lib/util/unittests/run_all.cc
@@ -47,6 +47,12 @@ run_all() {
             throw;
         }
     } else {
+        // This is a separate path for the case where the exception is not
+        // being caught.  Although the other code path re-throws the exception
+        // after catching it, there is no guarantee that the state of the
+        // stack is preserved - a compiler might have unwound the stack to
+        // the point at which the exception is caught.  This would prove
+        // awkward if trying to debug the program using a debugger.
         ret = RUN_ALL_TESTS();
     }