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| author | Harald Anlauf <anlauf@gmx.de> | 2020-06-04 21:00:33 +0200 |
|---|---|---|
| committer | Harald Anlauf <anlauf@gmx.de> | 2020-06-04 21:01:26 +0200 |
| commit | 8c727bdf4acf28c8315b119a1c8f6d6af745c2af (patch) | |
| tree | f211076b345efb1ed51b91893aff5a07d8c0771a /gcc | |
| parent | 4f2d05ef0142d269964e165c14c6f7fe4bdfd5a3 (diff) | |
| download | gcc-8c727bdf4acf28c8315b119a1c8f6d6af745c2af.zip gcc-8c727bdf4acf28c8315b119a1c8f6d6af745c2af.tar.gz gcc-8c727bdf4acf28c8315b119a1c8f6d6af745c2af.tar.bz2 | |
PR fortran/95500 - Segfault compiling extra interface on intrinsic
Converting an expression so that it can be passed by reference could
result in a NULL pointer dereference.
2020-06-04 Steven G. Kargl <kargl@gcc.gnu.org>
Harald Anlauf <anlauf@gmx.de>
gcc/fortran/
PR fortran/95500
* trans-expr.c (gfc_conv_expr_reference): Do not dereference NULL
pointer.
gcc/testsuite/
PR fortran/95500
* gfortran.dg/pr95500.f90: New test.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/fortran/trans-expr.c | 1 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/pr95500.f90 | 15 |
2 files changed, 16 insertions, 0 deletions
diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c index 435eaeb..8b2afd2 100644 --- a/gcc/fortran/trans-expr.c +++ b/gcc/fortran/trans-expr.c @@ -8811,6 +8811,7 @@ gfc_conv_expr_reference (gfc_se * se, gfc_expr * expr, bool add_clobber) if (expr->expr_type == EXPR_FUNCTION && ((expr->value.function.esym + && expr->value.function.esym->result && expr->value.function.esym->result->attr.pointer && !expr->value.function.esym->result->attr.dimension) || (!expr->value.function.esym && !expr->ref diff --git a/gcc/testsuite/gfortran.dg/pr95500.f90 b/gcc/testsuite/gfortran.dg/pr95500.f90 new file mode 100644 index 0000000..e9eb7c6 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pr95500.f90 @@ -0,0 +1,15 @@ +! { dg-do compile } +! PR fortran/95500 - ICE compiling extra interface on intrinsic + +program test_intrinsic + implicit none + intrinsic :: alog + intrinsic :: dlog + real (4), parameter :: one = 1 + + interface ln + procedure :: alog, dlog + end interface ln + + write (*,*) 'ln 1', ln (one) +end program test_intrinsic |