Bug #12316: clang on Linux wrongly keep the inlined symbol

• Status: Third Party's Issue
• Assignee: -
• Target version: -
• Backport: 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN

[naruse (Yui NARUSE)]

Through clang-3.4 to clang-3.8 they wrongly keep the inlined symbols, and it cause compilation error.

compiling vm.c
linking miniruby
vm.o: In function `vm_getinstancevariable':
/home/naruse/ruby-clang/./vm_insnhelper.c:876: undefined reference to `vm_getivar'
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Makefile:223: recipe for target 'miniruby' failed
make: *** [miniruby] Error 1

Note that Apple's and FreeBSD's following versions works fine.

Apple LLVM version 7.3.0 (clang-703.0.29)
Target: x86_64-apple-darwin15.4.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
Target: x86_64-unknown-freebsd10.3
Thread model: posix