Index: .travis.yml
===================================================================
diff -u -N -r3b557e7591d91d3afd7c510ede6b4d638d16bb86 -re6ecd0ceab41556b8980bfa7010e2bde6e3c6d82
--- .travis.yml	(.../.travis.yml)	(revision 3b557e7591d91d3afd7c510ede6b4d638d16bb86)
+++ .travis.yml	(.../.travis.yml)	(revision e6ecd0ceab41556b8980bfa7010e2bde6e3c6d82)
@@ -41,7 +41,7 @@
         - TCLTAG=core-8-6-branch
     - os: osx
       osx_image: xcode10.2	
-      compiler: gcc-7.0
+      compiler: gcc-8.3
       env:
         - TCLTAG=core-8-6-branch
   allow_failures: