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| author | Harald Anlauf <anlauf@gmx.de> | 2020-05-27 21:20:24 +0200 |
|---|---|---|
| committer | Harald Anlauf <anlauf@gmx.de> | 2020-05-27 21:20:24 +0200 |
| commit | c949ec9c4e88d2ff6dbd5b179abddf3703129577 (patch) | |
| tree | 750dea8cbb687de15f40272d727eae1e5eeec402 | |
| parent | 7d014acc1ea263df7ed44aa6cb7f75bb8e512aed (diff) | |
| download | gcc-c949ec9c4e88d2ff6dbd5b179abddf3703129577.zip gcc-c949ec9c4e88d2ff6dbd5b179abddf3703129577.tar.gz gcc-c949ec9c4e88d2ff6dbd5b179abddf3703129577.tar.bz2 | |
PR fortran/95090 - ICE: identifier overflow
For long module name, derive type and component name, the generated
name-mangled symbol did not fit into a buffer when coarrays were
enabled. Provide sufficiently large temporary.
2020-05-27 Harald Anlauf <anlauf@gmx.de>
gcc/fortran/
PR fortran/95090
* iresolve.c (gfc_get_string): Enlarge temporary for
name-mangling.
gcc/testsuite/
PR fortran/95090
* gfortran.dg/pr95090.f90: New test.
| -rw-r--r-- | gcc/fortran/iresolve.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/pr95090.f90 | 19 |
2 files changed, 21 insertions, 1 deletions
diff --git a/gcc/fortran/iresolve.c b/gcc/fortran/iresolve.c index 7ecb659..df4f226 100644 --- a/gcc/fortran/iresolve.c +++ b/gcc/fortran/iresolve.c @@ -47,7 +47,8 @@ along with GCC; see the file COPYING3. If not see const char * gfc_get_string (const char *format, ...) { - char temp_name[128]; + /* Provide sufficient space to hold "_F.caf_token__symbol_MOD_symbol". */ + char temp_name[14 + GFC_MAX_SYMBOL_LEN + 5 + GFC_MAX_SYMBOL_LEN + 1]; const char *str; va_list ap; tree ident; diff --git a/gcc/testsuite/gfortran.dg/pr95090.f90 b/gcc/testsuite/gfortran.dg/pr95090.f90 new file mode 100644 index 0000000..ec77802 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pr95090.f90 @@ -0,0 +1,19 @@ +! { dg-do compile } +! { dg-options "-fcoarray=lib -fsecond-underscore" } +! PR fortran/95090 - ICE: identifier overflow + +module m2345678901234567890123456789012345678901234567890123456789_123 + type t2345678901234567890123456789012345678901234567890123456789_123 & + (n2345678901234567890123456789012345678901234567890123456789_123) + integer, len :: n2345678901234567890123456789012345678901234567890123456789_123 = 8 + end type + integer :: a2345678901234567890123456789012345678901234567890123456789_123 + integer :: b2345678901234567890123456789012345678901234567890123456789_123(3)[*] + data b2345678901234567890123456789012345678901234567890123456789_123 /1,2,3/ +contains + subroutine s2345678901234567890123456789012345678901234567890123456789_123 + type(t2345678901234567890123456789012345678901234567890123456789_123 & + (n2345678901234567890123456789012345678901234567890123456789_123)) :: & + z2345678901234567890123456789012345678901234567890123456789_123 + end +end |