[BUG] try .. catch does not work in a for loop for a «E15 in false if» bug

[ZyX]

Consider the following code:

    % cat > test-filereadable.vim <<EOF
    set nocompatible
    let s:g={"load":{"saveoptions":{"abc":function("string")}}}
    function TestFileReadable()
        let file="/non-existent-file"
        let tail="abc"
        try
            if filereadable(file)
                call s:g.load.saveoptions[tail](readfile(file, 'b'))
            endif
        catch /^Vim(call):E15:/
        endtry
    endfunction
    function TestFileReadable2()
        for file in ["/non-existent-file"]
            let tail="abc"
            try
                if filereadable(file)
                    call s:g.load.saveoptions[tail](readfile(file, 'b'))
                endif
            catch /^Vim(call):E15:/
            endtry
        endfor
    endfunction
    try
        call TestFileReadable()
    catch
        call writefile([v:exception], "bad")
    endtry
    try
        call TestFileReadable2()
    catch
        call writefile([v:exception], "bad2")
    endtry
    qa!
    EOF
    % vim -u NONE -S test-filereadable.vim

It has just the same code as script in previous bug, but with `try .. catch' 
and 
a `for' loop. Note that first exception is successfully caught, but second is 
not. Tested on vim-7.3.102 and on vim-7.3.107 from mercurial repository.

test-filereadable.vim
Description: application/wine-extension-vim

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