Use quotes properly so that the possibility of a null variable set is eliminated. This can happen, for example, if LLVM is configured without llvm-gcc in which case things like LLVMGCC_VERSION will be empty. In such cases, deja-gnu fails with: can't read "llvmgcc_version": no such variable because it sees: set llvmgcc_version instead of: set llvmgcc_version ""
Use quotes properly so that the possibility of a null variable set is
eliminated. This can happen, for example, if LLVM is configured without
llvm-gcc in which case things like LLVMGCC_VERSION will be empty. In
such cases, deja-gnu fails with:
can't read "llvmgcc_version": no such variable
because it sees:
set llvmgcc_version
instead of:
set llvmgcc_version ""


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@27676 91177308-0d34-0410-b5e6-96231b3b80d8

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