Index: runtime/test/ompt/tasks/taskloop.c
===================================================================
--- runtime/test/ompt/tasks/taskloop.c
+++ runtime/test/ompt/tasks/taskloop.c
@@ -1,6 +1,12 @@
 // RUN: %libomp-compile-and-run | FileCheck %s
 // RUN: %libomp-compile-and-run | FileCheck --check-prefix=TASKS %s
 // REQUIRES: ompt
+
+// These compilers don't support the taskloop construct
+// UNSUPPORTED: gcc-4, gcc-5, icc-16
+// GCC 6 has support for taskloops, but at least 6.3.0 is crashing on this test
+// UNSUPPORTED: gcc-6
+
 #include "callback.h"
 #include <omp.h>
 
Index: runtime/test/tasking/omp_taskloop_grainsize.c
===================================================================
--- runtime/test/tasking/omp_taskloop_grainsize.c
+++ runtime/test/tasking/omp_taskloop_grainsize.c
@@ -1,5 +1,11 @@
 // RUN: %libomp-compile-and-run
 // RUN: %libomp-compile && env KMP_TASKLOOP_MIN_TASKS=1 %libomp-run
+
+// These compilers don't support the taskloop construct
+// UNSUPPORTED: gcc-4, gcc-5, icc-16
+// GCC 6 has support for taskloops, but at least 6.3.0 is crashing on this test
+// UNSUPPORTED: gcc-6
+
 /*
  * Test for taskloop
  * Method: caculate how many times the iteration space is dispatched
Index: runtime/test/tasking/omp_taskloop_num_tasks.c
===================================================================
--- runtime/test/tasking/omp_taskloop_num_tasks.c
+++ runtime/test/tasking/omp_taskloop_num_tasks.c
@@ -1,5 +1,9 @@
 // RUN: %libomp-compile-and-run
 // RUN: %libomp-compile && env KMP_TASKLOOP_MIN_TASKS=1 %libomp-run
+
+// These compilers don't support the taskloop construct
+// UNSUPPORTED: gcc-4, gcc-5, icc-16
+
 /*
  * Test for taskloop
  * Method: caculate how many times the iteration space is dispatched