diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/fortran/resolve.cc | 12 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/pr103259.f90 | 11 |
2 files changed, 20 insertions, 3 deletions
diff --git a/gcc/fortran/resolve.cc b/gcc/fortran/resolve.cc index a1a91dc..565b212 100644 --- a/gcc/fortran/resolve.cc +++ b/gcc/fortran/resolve.cc @@ -953,9 +953,15 @@ resolve_common_vars (gfc_common_head *common_block, bool named_common) { gsym = gfc_find_gsymbol (gfc_gsym_root, csym->name); if (gsym && (gsym->type == GSYM_MODULE || gsym->type == GSYM_PROGRAM)) - gfc_error_now ("Global entity %qs at %L cannot appear in a " - "COMMON block at %L", gsym->name, - &gsym->where, &csym->common_block->where); + { + if (csym->common_block) + gfc_error_now ("Global entity %qs at %L cannot appear in a " + "COMMON block at %L", gsym->name, + &gsym->where, &csym->common_block->where); + else + gfc_error_now ("Global entity %qs at %L cannot appear in a " + "COMMON block", gsym->name, &gsym->where); + } /* gfc_add_in_common may have been called before, but the reported errors have been ignored to continue parsing. diff --git a/gcc/testsuite/gfortran.dg/pr103259.f90 b/gcc/testsuite/gfortran.dg/pr103259.f90 new file mode 100644 index 0000000..f78ff26 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pr103259.f90 @@ -0,0 +1,11 @@ +! { dg-do compile } +! PR fortran/103259 - ICE in resolve_common_vars +! Contributed by G.Steinmetz + +module m + integer :: p + common /c/ p +end +program p ! { dg-error "cannot appear in a COMMON block" } + use m ! { dg-error "is also the name of the current program unit" } +end |