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selectany1.C: New file.

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* g++.dg/ext/selectany1.C: New file. Test for linkonce sections.
	* g++.dg/ext/selectany2.C: New file. Test for errors with invalid
	selectany usage.

From-SVN: r97378
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Danny Smith 2005-04-01 08:20:24 +00:00 committed by Danny Smith
parent a20f6f00bf
commit 40ce6bf648
3 changed files with 57 additions and 0 deletions
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6
gcc/testsuite/ChangeLog
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2005-04-01 Danny Smith <dannysmith@users.sourceforge.net>
* g++.dg/ext/selectany1.C: New file. Test for linkonce sections.
* g++.dg/ext/selectany2.C: New file. Test for errors with invalid
selectany usage.
2005-04-01 Jakub Jelinek <jakub@redhat.com>
PR c++/19406

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gcc/testsuite/g++.dg/ext/selectany1.C Normal file
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// { dg-do compile { target i?86-pc-cygwin } }
// { dg-do compile { target i?86-pc-mingw* } }
// Check that selectany attribute puts symbols into link-once sections.
// { dg-final { scan-assembler "\.section\t\.data\\\$foo\[^\n\]*\n\t\.linkonce discard" } }
// { dg-final { scan-assembler "\.section\t\.data\\\$x\[^\n\]*\n\t\.linkonce discard" } }
// { dg-final { scan-assembler-dem "\nguard variable for x:" } }
__declspec (selectany) int foo = 1;
class X
{
private:
int m_i;
public:
X(int i): m_i(i){}
~X(){};
};
__declspec(selectany) X x(1);

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gcc/testsuite/g++.dg/ext/selectany2.C Normal file
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// { dg-do compile { target i?86-pc-cygwin } }
// { dg-do compile { target i?86-pc-mingw* } }
// Check for errors with invalid usage of selectany attribute.
extern int foo;
__declspec (selectany) int foo = 1; // OK
struct d
{
static int foo;
};
__declspec (selectany) int d::foo = 1; // OK
struct f
{
int i;
};
__declspec (selectany) struct f F= {1}; // OK
__declspec (selectany) int boo; //{ dg-error "selectany" }
__declspec (selectany) static int bar = 1; // { dg-error "selectany" }
int use_bar = bar; // Avoid defined but not used warning.
int baz()
{
__declspec (selectany) int foo = 1; // { dg-error "selectany" }
return foo;
}