Force CC to be Clang instead of default gcc

7 jobs from master in 2 minutes and 33 seconds (queued for 11 seconds)
Status Job ID Name Coverage
  Test
passed #38757737
code_coverage

00:00:58

passed #38757738
code_coverage_report

00:01:18

passed #38757739
lint_code

00:00:52

passed #38757736
memory_sanitizer

00:01:10

passed #38757735
race_detector

00:01:06

passed #38757734
unit_tests

00:00:57

 
  Build
passed #38757740
build

00:01:13