From 0b18289a85325d7f5d37c0df27226eee31b3241a Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Mon, 22 Jan 2018 05:21:08 +0200
Subject: [PATCH 1/3] Avoid unused expression warning by using the expression

---
 test/initialization_test.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/test/initialization_test.cpp b/test/initialization_test.cpp
index 9c89a50..c5ea03c 100644
--- a/test/initialization_test.cpp
+++ b/test/initialization_test.cpp
@@ -10,19 +10,19 @@
 //  This test verifiies that the error_category vtable does not suffer from
 //  order-of-initialization problems.
 
-#include <boost/detail/lightweight_test.hpp>
 #include <boost/system/error_code.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 struct foo
 {
   foo()
   {
     boost::system::error_code ec;
-    ec == boost::system::errc::permission_denied;
+    BOOST_TEST_NE( ec, boost::system::errc::permission_denied );
   }
 } f;
 
-int main( int, char ** )
+int main()
 {
-  return ::boost::report_errors();
+  return boost::report_errors();
 }

From 22189fce9528cdb17ae88993e3091fe5f2afc40a Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Mon, 22 Jan 2018 05:40:41 +0200
Subject: [PATCH 2/3] Disable std_mismatch_test when UBSAN is defined

---
 test/std_mismatch_test.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/std_mismatch_test.cpp b/test/std_mismatch_test.cpp
index 37a606b..af24196 100644
--- a/test/std_mismatch_test.cpp
+++ b/test/std_mismatch_test.cpp
@@ -12,10 +12,13 @@
 # define _CRT_SECURE_NO_WARNINGS
 
 #include <boost/config.hpp>
+#include <boost/config/pragma_message.hpp>
 #include <iostream>
 
 #if defined(BOOST_NO_CXX11_HDR_SYSTEM_ERROR)
 
+BOOST_PRAGMA_MESSAGE("Skipping test, BOOST_NO_CXX11_HDR_SYSTEM_ERROR is defined")
+
 int main()
 {
   std::cout
@@ -23,6 +26,11 @@ int main()
     " support header <system_error> so interoperation will not be tested.\n";
 }
 
+#elif defined(UBSAN)
+
+BOOST_PRAGMA_MESSAGE("Skipping test, UBSAN is defined")
+int main() {}
+
 #else
 
 #include <boost/system/error_code.hpp>

From ca5357699a77f8afdf8fdf1e6522ebe54f1e584f Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Mon, 22 Jan 2018 07:17:56 +0200
Subject: [PATCH 3/3] Enable stack trace on UBSAN Travis configurations

---
 .travis.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index fc9ef29..52e6a0a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -109,7 +109,7 @@ matrix:
 
     - os: linux
       compiler: g++-7
-      env: UBSAN=1 TOOLSET=gcc COMPILER=g++-7 CXXSTD=03,11,14,17
+      env: UBSAN=1 TOOLSET=gcc COMPILER=g++-7 CXXSTD=03,11,14,17 UBSAN_OPTIONS=print_stacktrace=1
       addons:
         apt:
           packages:
@@ -219,7 +219,7 @@ matrix:
 
     - os: linux
       compiler: clang++-5.0
-      env: UBSAN=1 TOOLSET=clang COMPILER=clang++-5.0 CXXSTD=03,11,14,1z
+      env: UBSAN=1 TOOLSET=clang COMPILER=clang++-5.0 CXXSTD=03,11,14,1z UBSAN_OPTIONS=print_stacktrace=1
       addons:
         apt:
           packages:
@@ -238,7 +238,7 @@ matrix:
 
     - os: linux
       compiler: clang++-libc++
-      env: UBSAN=1 TOOLSET=clang COMPILER=clang++-libc++ CXXSTD=03,11,14,1z
+      env: UBSAN=1 TOOLSET=clang COMPILER=clang++-libc++ CXXSTD=03,11,14,1z UBSAN_OPTIONS=print_stacktrace=1
       addons:
         apt:
           packages:
@@ -264,7 +264,7 @@ install:
 script:
   - |-
     echo "using $TOOLSET : : $COMPILER ;" > ~/user-config.jam
-  - ./b2 -j3 libs/system/test toolset=$TOOLSET cxxstd=$CXXSTD variant=debug,release ${UBSAN:+cxxflags=-fsanitize=undefined} ${UBSAN:+cxxflags=-fno-sanitize-recover=undefined} ${UBSAN:+linkflags=-fsanitize=undefined} ${UBSAN:+define=UBSAN=1}
+  - ./b2 -j3 libs/system/test toolset=$TOOLSET cxxstd=$CXXSTD variant=debug,release ${UBSAN:+cxxflags=-fsanitize=undefined cxxflags=-fno-sanitize-recover=undefined linkflags=-fsanitize=undefined define=UBSAN=1 debug-symbols=on}
 
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