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authorMatt Austern <austern@apple.com>2003-06-20 00:33:58 +0000
committerMatt Austern <austern@gcc.gnu.org>2003-06-20 00:33:58 +0000
commit7a1d37e9102a1bbc34b4544161ddf283c667bc0b (patch)
tree179855e458e087c8af77e7b247e9693d89ff9b45 /gcc/cp
parent3a95fe8f332b8ab061d7a6d269ef0ed6ea004b07 (diff)
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Fix for PR c++/11228, infinite loop for new int[n]().
From-SVN: r68235
Diffstat (limited to 'gcc/cp')
-rw-r--r--gcc/cp/ChangeLog8
-rw-r--r--gcc/cp/init.c8
2 files changed, 15 insertions, 1 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 0b620d6..ba1fb35 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,11 @@
+2003-06-19 Matt Austern <austern@apple.com>
+
+ PR c++/11228
+ * init.c (build_zero_init): Assert that number of array elements
+ is an integer constant.
+ (build_default_init) Don't use build_zero_init for arrays with
+ variable number of elements.
+
2003-06-19 Andreas Jaeger <aj@suse.de>
* cp-tree.h: Remove duplicated declarations.
diff --git a/gcc/cp/init.c b/gcc/cp/init.c
index 59395ee..710f617 100644
--- a/gcc/cp/init.c
+++ b/gcc/cp/init.c
@@ -180,6 +180,9 @@ build_zero_init (tree type, tree nelts, bool static_storage_p)
-- if T is a reference type, no initialization is performed. */
+ my_friendly_assert (nelts == NULL_TREE || TREE_CODE (nelts) == INTEGER_CST,
+ 20030618);
+
if (type == error_mark_node)
;
else if (static_storage_p && zero_init_p (type))
@@ -232,6 +235,8 @@ build_zero_init (tree type, tree nelts, bool static_storage_p)
/* Iterate over the array elements, building initializations. */
inits = NULL_TREE;
max_index = nelts ? nelts : array_type_nelts (type);
+ my_friendly_assert (TREE_CODE (max_index) == INTEGER_CST, 20030618);
+
for (index = size_zero_node;
!tree_int_cst_lt (max_index, index);
index = size_binop (PLUS_EXPR, index, size_one_node))
@@ -291,7 +296,8 @@ build_default_init (tree type, tree nelts)
standard says we should have generated would be precisely the
same as that obtained by calling build_zero_init below, so things
work out OK. */
- if (TYPE_NEEDS_CONSTRUCTING (type))
+ if (TYPE_NEEDS_CONSTRUCTING (type)
+ || (nelts && TREE_CODE (nelts) != INTEGER_CST))
return NULL_TREE;
/* At this point, TYPE is either a POD class type, an array of POD