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[Bug tree-optimization/78742] [5/6/7 Regression] internal compiler error: in int_cst_value, at tree.c:10782
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 13 Dec 2016 09:18:14 +0000
- Subject: [Bug tree-optimization/78742] [5/6/7 Regression] internal compiler error: in int_cst_value, at tree.c:10782
- Auto-submitted: auto-generated
- References: <bug-78742-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78742
--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Dec 13 09:17:42 2016
New Revision: 243598
URL: https://gcc.gnu.org/viewcvs?rev=243598&root=gcc&view=rev
Log:
2016-12-13 Richard Biener <rguenther@suse.de>
PR middle-end/78742
* tree.c (cst_and_fits_in_hwi): Look if the actual value fits.
* tree-object-size.c (compute_builtin_object_size): Use
tree_fits_shwi_p.
* tree-data-ref.c (initialize_matrix_A): Remove excess assert.
* gcc.dg/torture/pr78742.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr78742.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-data-ref.c
trunk/gcc/tree-object-size.c
trunk/gcc/tree.c