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* [gcc r13-5374] Fortran: ICE in gfc_compare_array_spec [PR108528]
@ 2023-01-25 19:47 Harald Anlauf
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From: Harald Anlauf @ 2023-01-25 19:47 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:9fb9da3d38513d320bfea72050f7a59688595e0b
commit r13-5374-g9fb9da3d38513d320bfea72050f7a59688595e0b
Author: Steve Kargl <kargl@gcc.gnu.org>
Date: Wed Jan 25 20:38:43 2023 +0100
Fortran: ICE in gfc_compare_array_spec [PR108528]
gcc/fortran/ChangeLog:
PR fortran/108528
* array.cc (compare_bounds): Return false instead of generating an
internal error on an invalid argument type.
gcc/testsuite/ChangeLog:
PR fortran/108528
* gfortran.dg/pr108528.f90: New test.
Diff:
---
gcc/fortran/array.cc | 4 ++--
gcc/testsuite/gfortran.dg/pr108528.f90 | 9 +++++++++
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/gcc/fortran/array.cc b/gcc/fortran/array.cc
index e8a2c32a627..be5eb8b6a0f 100644
--- a/gcc/fortran/array.cc
+++ b/gcc/fortran/array.cc
@@ -967,7 +967,7 @@ gfc_copy_array_spec (gfc_array_spec *src)
/* Returns nonzero if the two expressions are equal.
- We should not need to support more than constant values, as that’s what is
+ We should not need to support more than constant values, as that's what is
allowed in derived type component array spec. However, we may create types
with non-constant array spec for dummy variable class container types, for
which the _data component holds the array spec of the variable declaration.
@@ -979,7 +979,7 @@ compare_bounds (gfc_expr *bound1, gfc_expr *bound2)
if (bound1 == NULL || bound2 == NULL
|| bound1->ts.type != BT_INTEGER
|| bound2->ts.type != BT_INTEGER)
- gfc_internal_error ("gfc_compare_array_spec(): Array spec clobbered");
+ return false;
/* What qualifies as identical bounds? We could probably just check that the
expressions are exact clones. We avoid rewriting a specific comparison
diff --git a/gcc/testsuite/gfortran.dg/pr108528.f90 b/gcc/testsuite/gfortran.dg/pr108528.f90
new file mode 100644
index 00000000000..7a353cb7eab
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr108528.f90
@@ -0,0 +1,9 @@
+! { dg-do compile }
+! PR fortran/108528 -
+! Contributed by G.Steinmetz
+
+function f() ! { dg-error "mismatched array specifications" }
+ integer :: f((2.)) ! { dg-error "must be of INTEGER type" }
+ integer :: g((2))
+entry g()
+end
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