* [patch, fortran] Bug 71686 - ICE on broken character continuation
@ 2016-06-29 5:59 Jerry DeLisle
0 siblings, 0 replies; only message in thread
From: Jerry DeLisle @ 2016-06-29 5:59 UTC (permalink / raw)
To: fortran, gcc-patches
I plan to commit this patch as obvious and simple.
Regression tested on x86-64. I will provide two test cases from the PR
Regards,
Jerry
2016-06-28 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/71686
* scanner.c (gfc_next_char_literal): Only decrement nextc if it
is not NULL.
diff --git a/gcc/fortran/scanner.c b/gcc/fortran/scanner.c
index 6a7a5b68..be9c5091 100644
--- a/gcc/fortran/scanner.c
+++ b/gcc/fortran/scanner.c
@@ -1416,7 +1416,8 @@ restart:
{
if (in_string)
{
- gfc_current_locus.nextc--;
+ if (gfc_current_locus.nextc)
+ gfc_current_locus.nextc--;
if (warn_ampersand && in_string == INSTRING_WARN)
gfc_warning (OPT_Wampersand,
"Missing %<&%> in continued character "
@@ -1427,7 +1428,10 @@ restart:
/* Both !$omp and !$ -fopenmp continuation lines have & on the
continuation line only optionally. */
else if (openmp_flag || openacc_flag || openmp_cond_flag)
- gfc_current_locus.nextc--;
+ {
+ if (gfc_current_locus.nextc)
+ gfc_current_locus.nextc--;
+ }
else
{
c = ' ';
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2016-06-29 5:59 [patch, fortran] Bug 71686 - ICE on broken character continuation Jerry DeLisle
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