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| author | Harald Anlauf <anlauf@gmx.de> | 2020-05-24 21:35:04 +0200 |
|---|---|---|
| committer | Harald Anlauf <anlauf@gmx.de> | 2020-05-24 21:35:04 +0200 |
| commit | d176184d98a00ab379ae5959aed1908a79995e6b (patch) | |
| tree | 558141f6f0a891be9183cc5d32a352b6db5b772e /gcc/fortran/trans-common.c | |
| parent | 392bc7d21306d29f560c754ca13d9e206ec6854b (diff) | |
| download | gcc-d176184d98a00ab379ae5959aed1908a79995e6b.zip gcc-d176184d98a00ab379ae5959aed1908a79995e6b.tar.gz gcc-d176184d98a00ab379ae5959aed1908a79995e6b.tar.bz2 | |
PR fortran/95106 - truncation of long symbol names with EQUIVALENCE
For long module names, the generated name-mangled symbol was
truncated, leading to bogus warnings about COMMON block
mismatches. Provide sufficiently large temporaries.
gcc/fortran/
2020-05-24 Harald Anlauf <anlauf@gmx.de>
PR fortran/95106
* trans-common.c (gfc_sym_mangled_common_id): Enlarge temporaries
for name-mangling.
gcc/testsuite/
2020-05-24 Harald Anlauf <anlauf@gmx.de>
PR fortran/95106
* gfortran.dg/equiv_11.f90: New test.
Diffstat (limited to 'gcc/fortran/trans-common.c')
| -rw-r--r-- | gcc/fortran/trans-common.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/fortran/trans-common.c b/gcc/fortran/trans-common.c index bf163bc..3775a8b 100644 --- a/gcc/fortran/trans-common.c +++ b/gcc/fortran/trans-common.c @@ -242,8 +242,9 @@ static tree gfc_sym_mangled_common_id (gfc_common_head *com) { int has_underscore; - char mangled_name[GFC_MAX_MANGLED_SYMBOL_LEN + 1]; - char name[GFC_MAX_SYMBOL_LEN + 1]; + /* Provide sufficient space to hold "symbol.eq.1234567890__". */ + char mangled_name[GFC_MAX_MANGLED_SYMBOL_LEN + 1 + 16]; + char name[GFC_MAX_SYMBOL_LEN + 1 + 16]; /* Get the name out of the common block pointer. */ strcpy (name, com->name); |