test-release.sh: Run the test-suite using phase3 clang

Summary: We were using the system compiler to run the test suite.

Reviewers: hansw

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D34246

llvm-svn: 305525
diff --git a/llvm/utils/release/test-release.sh b/llvm/utils/release/test-release.sh
index f5aa3ff..560220c 100755
--- a/llvm/utils/release/test-release.sh
+++ b/llvm/utils/release/test-release.sh
@@ -416,7 +416,8 @@
       $SandboxDir/bin/python $BuildDir/llvm.src/utils/lit/setup.py install
       mkdir -p $TestSuiteBuildDir
       cd $TestSuiteBuildDir
-      cmake $TestSuiteSrcDir -DTEST_SUITE_LIT=$Lit
+      env CC="$c_compiler" CXX="$cxx_compiler" \
+          cmake $TestSuiteSrcDir -DTEST_SUITE_LIT=$Lit
       if ! ( ${MAKE} -j $NumJobs -k check \
           2>&1 | tee $LogDir/llvm.check-Phase$Phase-$Flavor.log ) ; then
         deferred_error $Phase $Flavor "test suite failed"
@@ -548,6 +549,8 @@
 
     ########################################################################
     # Testing: Test phase 3
+    c_compiler=$llvmCore_phase3_destdir/usr/local/bin/clang
+    cxx_compiler=$llvmCore_phase3_destdir/usr/local/bin/clang++
     echo "# Testing - built with clang"
     test_llvmCore 3 $Flavor $llvmCore_phase3_objdir