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cp-tree.h (TYPE_RAISES_EXCEPTIONS): Improve documentation. 

1998-12-22  Mark Mitchell  <mark@markmitchell.com>
	* cp-tree.h (TYPE_RAISES_EXCEPTIONS): Improve documentation.
	* tree.c (build_exception_variant): Don't crash on empty throw
	specs.

From-SVN: r24394
This commit is contained in:
Mark Mitchell 1998-12-22 10:33:17 +00:00 committed by Mark Mitchell
parent 2f0d2c99e2
commit 193306f7fd
4 changed files with 15 additions and 2 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
1998-12-22 Mark Mitchell <mark@markmitchell.com>
* cp-tree.h (TYPE_RAISES_EXCEPTIONS): Improve documentation.
* tree.c (build_exception_variant): Don't crash on empty throw
specs.
1998-12-18 DJ Delorie <dj@cygnus.com>
* cvt.c (convert_to_reference): Check for both error_mark_node

4
gcc/cp/cp-tree.h
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@ -1143,7 +1143,9 @@ struct lang_type
#define TREE_PARMLIST(NODE) ((NODE)->common.unsigned_flag) /* overloaded! */
/* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that
this type can raise. */
this type can raise. Each TREE_VALUE is a _TYPE. The TREE_VALUE
will be NULL_TREE to indicate a throw specification of `(...)', or,
equivalently, no throw specification. */
#define TYPE_RAISES_EXCEPTIONS(NODE) TYPE_NONCOPIED_PARTS (NODE)
/* The binding level associated with the namespace. */

4
gcc/cp/tree.c
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@ -1476,7 +1476,9 @@ build_exception_variant (type, raises)
for (t = TYPE_RAISES_EXCEPTIONS (v), u = raises;
t != NULL_TREE && u != NULL_TREE;
t = TREE_CHAIN (t), u = TREE_CHAIN (v))
if (!same_type_p (TREE_VALUE (t), TREE_VALUE (u)))
if (((TREE_VALUE (t) != NULL_TREE)
!= (TREE_VALUE (u) != NULL_TREE))
|| !same_type_p (TREE_VALUE (t), TREE_VALUE (u)))
break;
if (!t && !u)

3
gcc/testsuite/g++.old-deja/g++.eh/spec5.C Normal file
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@ -0,0 +1,3 @@
// Build don't link:
extern void *f(unsigned int k) throw();