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re PR c++/64667 (-Winit-self ignored for reference fields)

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/cp
2015-04-29  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/64667
	* init.c (perform_member_init): Handle references for -Winit-self.

/testsuite
2015-04-29  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/64667
	* g++.dg/warn/Winit-self-3.C: New.

From-SVN: r222577
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Paolo Carlini 2015-04-29 14:06:27 +00:00 committed by Paolo Carlini
parent 72d33bd3d2
commit 0aa359c18f
4 changed files with 39 additions and 0 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2015-04-29 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/64667
* init.c (perform_member_init): Handle references for -Winit-self.
2015-04-29 Thomas Schwinge <thomas@codesourcery.com>
* pt.c (tsubst_expr) <OMP_TARGET_UPDATE>: Use

3
gcc/cp/init.c
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@ -625,6 +625,9 @@ perform_member_init (tree member, tree init)
&& TREE_CHAIN (init) == NULL_TREE)
{
tree val = TREE_VALUE (init);
/* Handle references. */
if (REFERENCE_REF_P (val))
val = TREE_OPERAND (val, 0);
if (TREE_CODE (val) == COMPONENT_REF && TREE_OPERAND (val, 1) == member
&& TREE_OPERAND (val, 0) == current_class_ref)
warning_at (DECL_SOURCE_LOCATION (current_function_decl),

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2015-04-29 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/64667
* g++.dg/warn/Winit-self-3.C: New.
2015-04-29 Uros Bizjak <ubizjak@gmail.com>
* gfortran.dg/namelist_87.f90: Use dg-add-options ieee.

26
gcc/testsuite/g++.dg/warn/Winit-self-3.C Normal file
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@ -0,0 +1,26 @@
// PR c++/64667
// { dg-options "-Winit-self" }
class A
{
public:
A(const A&) : a(a) {} // { dg-warning "initialized with itself" }
private:
int a;
};
class B
{
public:
B(const B&) : b(b) {} // { dg-warning "initialized with itself" }
private:
int* b;
};
class C
{
public:
C(const C&) : c(c) {} // { dg-warning "initialized with itself" }
private:
int& c;
};