------- Comment #1 from fang at csl dot cornell dot edu 2007-03-15 04:35 ------- Subject: Re: preprocessor doubles up digits in token pasting
With your example, "g++ -E -" gives me: <stdin>:2:1: error: pasting "foo2" and "2.2" does not give a valid preprocessing token foo22.2 with versions 4.0.1 (powerpc-apple-darwin8) and 4.2.0 (20070221) while "cpp -P" (4.0.1) gives me foo##2.2 and "cpp -P" (4.2.0) gives me <stdin>:2:1: error: pasting "foo" and "2.2" does not give a valid preprocessing token foo22.2 and "cpp -P -traditional" (4.0.1, 4.2.0) give me foo##2.2 Most odd... -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31182
