Warn rather than fail if the .o comes from, say assembly.

.travis.yml

@@ -26,6 +26,7 @@ before_install:
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update          ; fi
   - ${GLLVM_SRC}/.travis/install_llvm.sh
   -  export PATH="/usr/local/opt/llvm/bin:$PATH"
+# if we have to use our own bottle again.
 #  - export PATH="/usr/local/opt/llvm_lite/bin:$PATH"
 
 

shared/extractor.go

@@ -609,7 +609,7 @@ func extractSectionDarwin(inputFile string) (contents []string) {
 	}
 	sectionContents, errContents := section.Data()
 	if errContents != nil {
-		LogFatal("Error reading the %s section of Mach-O file %s.", DarwinSectionName, inputFile)
+		LogWarning("Error reading the %s section of Mach-O file %s.", DarwinSectionName, inputFile)
 	}
 	contents = strings.Split(strings.TrimSuffix(string(sectionContents), "\n"), "\n")
 	return