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Hi, The problem appears in revision 201034 in version 4.9. I attached a one-line patch that fixes it. I also reported this problem at http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57800 Bootstrap and regression-tested on x86_64-linux. In method "gfc_match_call()" in gcc/fortran/match.c, the loop on line 4189 should break immediately after "i" is set to 1. 2013-07-22 Chang <pchang9@cs.wisc.edu> * match.c (gfc_match_call): Exit loop after setting i. Index: gcc/fortran/match.c =================================================================== --- gcc/fortran/match.c (revision 201034) +++ gcc/fortran/match.c (working copy) @@ -4188,7 +4188,10 @@ i = 0; for (a = arglist; a; a = a->next) if (a->expr == NULL) - i = 1; + { + i = 1; + break; + } if (i) { -Chang
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