OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

re PR tree-optimization/77697 (suspicious code in tree-ssa-forwprop.c)

Browse Source 
2016-09-22  Richard Biener  <rguenther@suse.de>

	PR middle-end/77697
	* gimple-fold.c (fold_array_ctor_reference): Turn asserts into
	fold fails.

From-SVN: r240353
This commit is contained in:
Richard Biener 2016-09-22 12:16:42 +00:00 committed by Richard Biener
parent 1f3131cb1e
commit 9ef2eff0d4
2 changed files with 10 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2016-09-22 Richard Biener <rguenther@suse.de>
PR middle-end/77697
* gimple-fold.c (fold_array_ctor_reference): Turn asserts into
fold fails.
2016-09-22 Richard Biener <rguenther@suse.de> 2016-09-22 Richard Biener <rguenther@suse.de>
PR middle-end/77677 PR middle-end/77677

7
gcc/gimple-fold.c
View File

@ -5647,14 +5647,15 @@ fold_array_ctor_reference (tree type, tree ctor,
if (domain_type && TYPE_MIN_VALUE (domain_type)) if (domain_type && TYPE_MIN_VALUE (domain_type))
{ {
/* Static constructors for variably sized objects makes no sense. */ /* Static constructors for variably sized objects makes no sense. */
gcc_assert (TREE_CODE (TYPE_MIN_VALUE (domain_type)) == INTEGER_CST); if (TREE_CODE (TYPE_MIN_VALUE (domain_type)) != INTEGER_CST)
return NULL_TREE;
low_bound = wi::to_offset (TYPE_MIN_VALUE (domain_type)); low_bound = wi::to_offset (TYPE_MIN_VALUE (domain_type));
} }
else else
low_bound = 0; low_bound = 0;
/* Static constructors for variably sized objects makes no sense. */ /* Static constructors for variably sized objects makes no sense. */
gcc_assert (TREE_CODE (TYPE_SIZE_UNIT (TREE_TYPE (TREE_TYPE (ctor)))) if (TREE_CODE (TYPE_SIZE_UNIT (TREE_TYPE (TREE_TYPE (ctor)))) != INTEGER_CST)
== INTEGER_CST); return NULL_TREE;
elt_size = wi::to_offset (TYPE_SIZE_UNIT (TREE_TYPE (TREE_TYPE (ctor)))); elt_size = wi::to_offset (TYPE_SIZE_UNIT (TREE_TYPE (TREE_TYPE (ctor))));
/* We can handle only constantly sized accesses that are known to not /* We can handle only constantly sized accesses that are known to not