Travis CI: Upgrade clang-4.0 to clang-5.0, and gcc-5 to gcc-8

(a cherry-pick of commit f3318202 from 'release-7_6')

diff --git a/.travis.yml b/.travis.yml
index 7c682e68ff9c803fa8bd29059051e63820afeee4..db3677869e70abe39e57d6b59f286039d35eb992 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -209,24 +209,24 @@ matrix:
     addons:
       apt:
         packages:
-        - clang-4.0
+        - clang-5.0
         sources:
-        - llvm-toolchain-trusty-4.0
-    compiler: clang-4.0
+        - llvm-toolchain-trusty-5.0
+    compiler: clang-5.0
     language: c
     env:
-    - CXX=clang++-4.0
+    - CXX=clang++-5.0
     - CFLAGS_EXTRA="-O3 -march=native"
     - CONF_OPTIONS="--enable-cplusplus --enable-single-obj-compilation"
   - os: linux
     addons:
       apt:
         packages:
-        - clang-4.0
+        - clang-5.0
         - gcc-multilib
         sources:
-        - llvm-toolchain-trusty-4.0
-    compiler: clang-4.0
+        - llvm-toolchain-trusty-5.0
+    compiler: clang-5.0
     language: c
     env:
     - CFLAGS_EXTRA="-m32 -D _FORTIFY_SOURCE=2 -D GC_DISABLE_INCREMENTAL"
@@ -235,25 +235,25 @@ matrix:
     addons:
       apt:
         packages:
-        - gcc-5
-        - g++-5
+        - gcc-8
+        - g++-8
         sources:
         - ubuntu-toolchain-r-test
-    compiler: gcc-5
+    compiler: gcc-8
     language: c
     env:
-    - CXX=g++-5
+    - CXX=g++-8
     - CONF_OPTIONS="--enable-munmap --enable-cplusplus --enable-gc-assertions"
   - os: linux
     addons:
       apt:
         packages:
-        - gcc-5
-        - gcc-5-multilib
+        - gcc-8
+        - gcc-8-multilib
         - gcc-multilib
         sources:
         - ubuntu-toolchain-r-test
-    compiler: gcc-5
+    compiler: gcc-8
     language: c
     env:
     - CFLAGS_EXTRA="-m32 -O3"
@@ -262,12 +262,12 @@ matrix:
     addons:
       apt:
         packages:
-        - gcc-5
-        - gcc-5-multilib
+        - gcc-8
+        - gcc-8-multilib
         - gcc-multilib
         sources:
         - ubuntu-toolchain-r-test
-    compiler: gcc-5
+    compiler: gcc-8
     language: c
     env:
     - CFLAGS_EXTRA="-mx32 -march=native -D _FORTIFY_SOURCE=2 -D NO_INCREMENTAL"