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| author | Harald Anlauf <anlauf@gmx.de> | 2023-01-28 17:59:23 +0100 |
|---|---|---|
| committer | Harald Anlauf <anlauf@gmx.de> | 2023-01-28 21:57:54 +0100 |
| commit | aba9ff8f30d4245294ea2583de1dc28f1c7ccf7b (patch) | |
| tree | 39caf4e119a57b4e3be1c5776d9a51660563c7c7 /gcc/fortran | |
| parent | 679f75167b1294fe6c3a281fe5bbafc734777407 (diff) | |
| download | gcc-aba9ff8f30d4245294ea2583de1dc28f1c7ccf7b.zip gcc-aba9ff8f30d4245294ea2583de1dc28f1c7ccf7b.tar.gz gcc-aba9ff8f30d4245294ea2583de1dc28f1c7ccf7b.tar.bz2 | |
Fortran: diagnose USE associated symbols in COMMON blocks [PR108453]
gcc/fortran/ChangeLog:
PR fortran/108453
* match.cc (gfc_match_common): A USE associated name shall not appear
in a COMMON block (F2018:C8121).
gcc/testsuite/ChangeLog:
PR fortran/108453
* gfortran.dg/common_27.f90: New test.
Diffstat (limited to 'gcc/fortran')
| -rw-r--r-- | gcc/fortran/match.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/fortran/match.cc b/gcc/fortran/match.cc index 5e933c1..5eb6d0e 100644 --- a/gcc/fortran/match.cc +++ b/gcc/fortran/match.cc @@ -5345,6 +5345,16 @@ gfc_match_common (void) goto cleanup; } + /* F2018:R874: common-block-object is variable-name [ (array-spec) ] + F2018:C8121: A variable-name shall not be a name made accessible + by use association. */ + if (sym->attr.use_assoc) + { + gfc_error ("Symbol %qs at %C is USE associated from module %qs " + "and cannot occur in COMMON", sym->name, sym->module); + goto cleanup; + } + /* Deal with an optional array specification after the symbol name. */ m = gfc_match_array_spec (&as, true, true); |