[Support] Call isl_*_free() only on non-null pointers. NFC.
treef50fa097613f4b27da437da3c4ddd829046a4819
-rw-r--r-- 194 .arcconfig
-rw-r--r-- 653 .arclint
-rw-r--r-- 92 .gitattributes
-rw-r--r-- 22 .gitignore
-rw-r--r-- 8241 CMakeLists.txt
-rw-r--r-- 1324 CREDITS.txt
-rw-r--r-- 2753 LICENSE.txt
-rw-r--r-- 709 README
drwxr-xr-x - cmake
drwxr-xr-x - docs
drwxr-xr-x - include
drwxr-xr-x - lib
drwxr-xr-x - test
drwxr-xr-x - tools
drwxr-xr-x - unittests
drwxr-xr-x - utils
drwxr-xr-x - www