diff options
Diffstat (limited to 'misc/buildroot/toolchain/gcc/3.4.2/300-pr17976.patch')
| -rw-r--r-- | misc/buildroot/toolchain/gcc/3.4.2/300-pr17976.patch | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/misc/buildroot/toolchain/gcc/3.4.2/300-pr17976.patch b/misc/buildroot/toolchain/gcc/3.4.2/300-pr17976.patch deleted file mode 100644 index 78bb3559ff..0000000000 --- a/misc/buildroot/toolchain/gcc/3.4.2/300-pr17976.patch +++ /dev/null @@ -1,106 +0,0 @@ -From: Mark Mitchell <mark@codesourcery.com> -Sender: gcc-patches-owner@gcc.gnu.org -To: gcc-patches@gcc.gnu.org -Subject: C++ PATCH: PR 17976 -Date: Thu, 14 Oct 2004 21:24:41 -0700 - - -This was a case where we generated multiple destructor calls for the -same global variable, in the (probably rare) situation that an -"extern" declaration followed the definition. - -Tested on i686-pc-linux-gnu, applied on the mainline and on the 3.4 -branch. - --- -Mark Mitchell -CodeSourcery, LLC -mark@codesourcery.com - -# DP: 2004-10-14 Mark Mitchell <mark@codesourcery.com> -# DP: -# DP: PR c++/17976 -# DP: * decl.c (cp_finish_decl): Do not call expand_static_init more -# DP: than once for a single variable. -# DP: -# DP: 2004-10-14 Mark Mitchell <mark@codesourcery.com> -# DP: -# DP: PR c++/17976 -# DP: * g++.dg/init/dtor3.C: New test. - -Index: testsuite/g++.dg/init/dtor3.C -=================================================================== -RCS file: testsuite/g++.dg/init/dtor3.C -diff -N testsuite/g++.dg/init/dtor3.C -*** /dev/null 1 Jan 1970 00:00:00 -0000 ---- gcc/gcc/testsuite/g++.dg/init/dtor3.C 15 Oct 2004 04:02:22 -0000 -*************** -*** 0 **** ---- 1,21 ---- -+ // PR c++/17976 -+ // { dg-do run } -+ -+ extern "C" void abort(); -+ struct A -+ { -+ static int i; -+ A(){} -+ ~A(){i++;if(i>1)abort();} -+ }; -+ -+ int A::i = 0; -+ -+ A a; -+ extern A a; -+ -+ int main() -+ { -+ return 0; -+ } -+ -=================================================================== -RCS file: /cvs/gcc/gcc/gcc/cp/decl.c,v -retrieving revision 1.1174.2.26 -retrieving revision 1.1174.2.27 -diff -u -r1.1174.2.26 -r1.1174.2.27 ---- gcc/gcc/cp/decl.c 2004/10/10 21:54:59 1.1174.2.26 -+++ gcc/gcc/cp/decl.c 2004/10/15 04:23:46 1.1174.2.27 -@@ -4778,6 +4778,7 @@ - tree cleanup; - const char *asmspec = NULL; - int was_readonly = 0; -+ bool var_definition_p = false; - - if (decl == error_mark_node) - return; -@@ -4930,6 +4931,11 @@ - /* Remember that the initialization for this variable has - taken place. */ - DECL_INITIALIZED_P (decl) = 1; -+ /* This declaration is the definition of this variable, -+ unless we are initializing a static data member within -+ the class specifier. */ -+ if (!DECL_EXTERNAL (decl)) -+ var_definition_p = true; - } - /* If the variable has an array type, lay out the type, even if - there is no initializer. It is valid to index through the -@@ -5004,8 +5010,16 @@ - initialize_local_var (decl, init); - } - -- if (TREE_STATIC (decl)) -- expand_static_init (decl, init); -+ /* If a variable is defined, and then a subsequent -+ definintion with external linkage is encountered, we will -+ get here twice for the same variable. We want to avoid -+ calling expand_static_init more than once. For variables -+ that are not static data members, we can call -+ expand_static_init only when we actually process the -+ initializer. It is not legal to redeclare a static data -+ member, so this issue does not arise in that case. */ -+ if (var_definition_p && TREE_STATIC (decl)) -+ expand_static_init (decl, init); - } - finish_end0: - |