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author | Thomas Koenig <tkoenig@gcc.gnu.org> | 2019-01-01 21:19:53 +0000 |
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committer | Thomas Koenig <tkoenig@gcc.gnu.org> | 2019-01-01 21:19:53 +0000 |
commit | cf015ca24045bf34c6f22951d2d190eb31248d21 (patch) | |
tree | 9c2c1f6c1a96bb6a3b4bef4e0117071bd257cd0a /gcc/fortran/primary.c | |
parent | 730832cd7921eb240793634b86d3d026bba58117 (diff) | |
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re PR fortran/82743 (uncaught character truncation in derived type initialization)
2019-01-01 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/82743
* primary.c (gfc_convert_to_structure_constructor): If a character
in a constructor is too long, add a warning with
-Wcharacter-truncation.
2019-01-01 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/82743
* gfortran.dg/structure_constructor_16.f90: New test.
From-SVN: r267499
Diffstat (limited to 'gcc/fortran/primary.c')
-rw-r--r-- | gcc/fortran/primary.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/fortran/primary.c b/gcc/fortran/primary.c index d7bd6d6..19f97d1 100644 --- a/gcc/fortran/primary.c +++ b/gcc/fortran/primary.c @@ -3074,6 +3074,12 @@ gfc_convert_to_structure_constructor (gfc_expr *e, gfc_symbol *sym, gfc_expr **c actual->expr->value.character.length = c; actual->expr->value.character.string = dest; + + if (warn_line_truncation && c < e) + gfc_warning_now (OPT_Wcharacter_truncation, + "CHARACTER expression will be truncated " + "in constructor (%ld/%ld) at %L", (long int) c, + (long int) e, &actual->expr->where); } } |