[Bug preprocessor/21250] [4.1 Regression] line number 0 for <built-in> causes GAS to complain

[segher at kernel dot crashing dot org]

------- Additional Comments From segher at kernel dot crashing dot org  2005-04-28 15:08 -------
The C standard has this to say about line numbers, in 6.10.4/2:

The line number of the current source line is one greater than the number of new-line characters read 
or introduced in translation phase 1 (5.1.1.2) while processing the source file to the current token. 

So, a line number of 0 is impossible.  GAS is correct to complain about this.

It would be nice to be consistent, yes; but consistently right, please, not
consistently wrong ;-)

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21250