Disable "(Trusty) clang-3.8 compilation"
[lz4-c-compilers] contains the following command for clang-3.8.
```
make -C tests test-lz4
```
[lz4-c-compilers] https://github.com/lz4/lz4/blob/025c3ce8f994213371a4260ae932ea244d44c6fc/.github/workflows/ci.yml#L17-L154
diff --git a/.travis.yml b/.travis.yml
index edbfdd2..282e02b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -145,18 +145,18 @@
# script:
# - make -C tests test-lz4 clean test-lz4c32 MOREFLAGS=-Werror
#
- - name: (Trusty) clang-3.8 compilation
- dist: trusty
- addons:
- apt:
- sources:
- - ubuntu-toolchain-r-test
- - llvm-toolchain-precise-3.8
- packages:
- - clang-3.8
- script:
- - make -C tests test-lz4 CC=clang-3.8
-
+# - name: (Trusty) clang-3.8 compilation
+# dist: trusty
+# addons:
+# apt:
+# sources:
+# - ubuntu-toolchain-r-test
+# - llvm-toolchain-precise-3.8
+# packages:
+# - clang-3.8
+# script:
+# - make -C tests test-lz4 CC=clang-3.8
+#
# - name: (Trusty) PowerPC + PPC64 compilation
# dist: trusty
# install:
