[scan-build] Log compiler invocation to stderr, not stdout.
authorJordan Rose <jordan_rose@apple.com>
Wed, 3 Jul 2013 16:42:02 +0000 (16:42 +0000)
committerJordan Rose <jordan_rose@apple.com>
Wed, 3 Jul 2013 16:42:02 +0000 (16:42 +0000)
commit1187b95bd1fff87c279298c204e200af08b6f496
tree4b6ae2ee8e23fb2b04d766d41eea59adc15662fa
parentb0fccb225cbeb684ba70675fc531f50e68da2960
[scan-build] Log compiler invocation to stderr, not stdout.

This is important for preprocessing steps, which may output to stdout.

Also, change ENV accesses using barewords to use string keys instead.

PR16414

llvm-svn: 185555
clang/tools/scan-build/ccc-analyzer