[LLVMbugs] [Bug 1520] NEW: Miscompilation (?) of Ruby 1.8.6

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Tue Jun 19 20:47:21 PDT 2007


           Summary: Miscompilation (?) of Ruby 1.8.6
           Product: tools
           Version: 2.0
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: normal
          Priority: P2
         Component: llvm-gcc
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: OneSadCookie at gmail.com

llvm-gcc 2.0 appears to miscompile Ruby 1.8.6, though I don't understand the source one bit, so 
maybe it's just relying on something undefined in the language that it shouldn't...

CC=llvm-gcc ./configure; make; ./ruby -e 'begin; raise "hi"; rescue; retry; end'

exits with

-e:1: retry outside of rescue clause

the second time around, where it should loop indefinitely.  Compiled with the regular Apple GCC 4.0.1, 
it works fine.

This on an Intel Mac under 10.4.9 with the Xcode tools 2.4.1.

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