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re PR c++/28053 (ICE deriving from class with invalid bitfield)

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PR c++/28053
        * decl2.c (grokbitfield): Detect invalid non-integral 
        types earlier when possible.

        * g++.dg/parse/bitfield1.C: Adjust error markers.
        * g++.dg/parse/bitfield2.C: New test. 


Co-Authored-By: Mark Mitchell <mark@codesourcery.com>

From-SVN: r117910
This commit is contained in:
Lee Millward 2006-10-20 20:13:42 +00:00 committed by Lee Millward
parent 5d7adf7a15
commit 4c9fb8704a
5 changed files with 56 additions and 1 deletions
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7
gcc/cp/ChangeLog
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@ -1,3 +1,10 @@
2006-10-20 Lee Millward <lee.millward@codesourcery.com>
Mark Mitchell <mark@codesourcery.com>
PR c++/28053
* decl2.c (grokbitfield): Detect invalid non-integral
types earlier when possible.
2006-10-18 Mark Shinwell <shinwell@codesourcery.com>
PR c++/26884

8
gcc/cp/decl2.c
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@ -946,6 +946,14 @@ grokbitfield (const cp_declarator *declarator,
if (TREE_CODE (value) == VOID_TYPE)
return void_type_node;
if (!INTEGRAL_TYPE_P (TREE_TYPE (value))
&& (POINTER_TYPE_P (value)
|| !dependent_type_p (TREE_TYPE (value))))
{
error ("bit-field %qD with non-integral type", value);
return error_mark_node;
}
if (TREE_CODE (value) == TYPE_DECL)
{
error ("cannot declare %qD to be a bit-field type", value);

6
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,9 @@
2006-10-20 Lee Millward <lee.millward@codesourcery.com>
PR c++/28053
* g++.dg/parse/bitfield1.C: Adjust error markers.
* g++.dg/parse/bitfield2.C: New test.
2006-10-20 Adam Nemet <anemet@caviumnetworks.com>
* gcc.dg/tree-ssa/ivopts-2.c: Match final candidates line only.

2
gcc/testsuite/g++.dg/parse/bitfield1.C
View File

@ -7,5 +7,5 @@ struct A
void foo(A& a)
{
(char)a.i;
(char)a.i; // { dg-error "no member" }
}

34
gcc/testsuite/g++.dg/parse/bitfield2.C Normal file
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@ -0,0 +1,34 @@
//PR c++/28053
struct X {};
struct A
{
X x : 2; // { dg-error "non-integral type" }
};
struct B : A {};
template <typename T>
struct C
{
T t : 3;
};
C<int> c;
template <typename T>
struct D
{
T t : 3; // { dg-error "non-integral type" }
};
D<double> d; // { dg-error "instantiated" }
template <typename T>
struct E
{
typedef T* U;
U t : 3; // { dg-error "non-integral type" }
};
E<double> e;