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(macroexpand): Treat `foo ( )' as 0 args if foo wants 0 args. 

From-SVN: r4323
This commit is contained in:
Richard Stallman 1993-05-04 16:43:42 +00:00
parent 77cb83306c
commit 148597b92e
1 changed files with 4 additions and 1 deletions
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5
gcc/cccp.c
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@ -7067,7 +7067,10 @@ macroexpand (hp, op)
if (i == 1) {
register U_CHAR *bp = args[0].raw;
register U_CHAR *lim = bp + args[0].raw_length;
while (bp != lim && is_space[*bp]) bp++;
/* cpp.texi says for foo ( ) we provide one argument.
However, if foo wants just 0 arguments, treat this as 0. */
if (nargs == 0)
while (bp != lim && is_space[*bp]) bp++;
if (bp == lim)
i = 0;
}