[multiple changes]
2004-11-29 Daniel Jacobowitz <dan@codesourcery.com> PR c/7544 * Makefile.in (c-lang.o): Update dependencies. * c-lang.c: Include "c-pragma.h". (finish_file): Call maybe_apply_pending_pragma_weaks. * c-pragma.c (maybe_apply_pending_pragma_weaks): New function. * c-pragma.h (maybe_apply_pending_pragma_weaks): New prototype. cp: 2004-11-29 Daniel Jacobowitz <dan@codesourcery.com> * Make-lang.in (cp/decl2.o): Update dependencies. * decl2.c (finish_file): Call maybe_apply_pending_pragma_weaks. objc: 2004-11-29 Joseph Myers <joseph@codesourcery.com> * Make-lang.in (objc/objc-act.o): Update dependencies. * objc-act.c (objc_finish_file): Call maybe_apply_pending_pragma_weaks if not OBJCPLUS. testsuite: 2004-11-29 Joseph Myers <joseph@codesourcery.com> * g++.dg/ext/weak1.C, gcc.dg/weak/weak-10.c, objc.dg/weak-1.m: New tests. From-SVN: r91479
This commit is contained in:
Joseph Myers
parent
b0c2dee9fb
commit
86f029aa95
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@ -1,3 +1,12 @@
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2004-11-29 Daniel Jacobowitz <dan@codesourcery.com>
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PR c/7544
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* Makefile.in (c-lang.o): Update dependencies.
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* c-lang.c: Include "c-pragma.h".
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(finish_file): Call maybe_apply_pending_pragma_weaks.
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* c-pragma.c (maybe_apply_pending_pragma_weaks): New function.
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* c-pragma.h (maybe_apply_pending_pragma_weaks): New prototype.
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2004-11-29 Richard Henderson <rth@redhat.com>
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PR target/17224
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@ -1380,7 +1380,7 @@ c-typeck.o : c-typeck.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) $(
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c-lang.o : c-lang.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
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$(C_TREE_H) $(C_PRETTY_PRINT_H) $(DIAGNOSTIC_H) \
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$(GGC_H) langhooks.h $(LANGHOOKS_DEF_H) $(C_COMMON_H) gtype-c.h \
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c-objc-common.h
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c-objc-common.h c-pragma.h
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stub-objc.o : stub-objc.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TREE_H) \
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$(GGC_H) $(C_COMMON_H)
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c-lex.o : c-lex.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
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@ -34,6 +34,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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#include "diagnostic.h"
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#include "c-pretty-print.h"
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#include "c-objc-common.h"
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#include "c-pragma.h"
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enum c_language_kind c_language = clk_c;
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@ -88,6 +89,7 @@ const char *const tree_code_name[] = {
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void
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finish_file (void)
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{
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maybe_apply_pending_pragma_weaks ();
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}
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#include "gtype-c.h"
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@ -294,6 +294,33 @@ maybe_apply_pragma_weak (tree decl)
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}
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}
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/* Process all "#pragma weak A = B" directives where we have not seen
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a decl for A. */
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void
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maybe_apply_pending_pragma_weaks (void)
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{
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tree *p, t, alias_id, id, decl, *next;
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for (p = &pending_weaks; (t = *p) ; p = next)
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{
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next = &TREE_CHAIN (t);
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alias_id = TREE_PURPOSE (t);
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id = TREE_VALUE (t);
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if (TREE_VALUE (t) == NULL)
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continue;
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decl = build_decl (FUNCTION_DECL, alias_id, default_function_type);
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DECL_ARTIFICIAL (decl) = 1;
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TREE_PUBLIC (decl) = 1;
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DECL_EXTERNAL (decl) = 1;
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DECL_WEAK (decl) = 1;
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assemble_alias (decl, id);
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}
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}
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/* #pragma weak name [= value] */
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static void
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handle_pragma_weak (cpp_reader * ARG_UNUSED (dummy))
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@ -330,6 +357,11 @@ void
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maybe_apply_pragma_weak (tree ARG_UNUSED (decl))
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{
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}
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void
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maybe_apply_pending_pragma_weaks (void)
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{
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}
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#endif /* HANDLE_PRAGMA_WEAK */
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/* GCC supports two #pragma directives for renaming the external
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@ -60,6 +60,7 @@ extern void c_register_pragma (const char *, const char *,
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extern void c_register_pragma_with_expansion (const char *, const char *,
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void (*) (struct cpp_reader *));
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extern void maybe_apply_pragma_weak (tree);
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extern void maybe_apply_pending_pragma_weaks (void);
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extern tree maybe_apply_renaming_pragma (tree, tree);
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extern void add_to_renaming_pragma_list (tree, tree);
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@ -1,3 +1,9 @@
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2004-11-29 Daniel Jacobowitz <dan@codesourcery.com>
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PR c/7544
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* Make-lang.in (cp/decl2.o): Update dependencies.
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* decl2.c (finish_file): Call maybe_apply_pending_pragma_weaks.
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2004-11-29 Kriang Lerdsuwanakij <lerdsuwa@users.sourceforge.net>
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PR c++/18652
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@ -232,7 +232,8 @@ cp/decl.o: cp/decl.c $(CXX_TREE_H) $(TM_H) flags.h cp/decl.h \
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cp/operators.def $(TM_P_H) tree-inline.h diagnostic.h c-pragma.h \
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debug.h gt-cp-decl.h timevar.h $(TREE_FLOW_H)
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cp/decl2.o: cp/decl2.c $(CXX_TREE_H) $(TM_H) flags.h cp/decl.h $(EXPR_H) \
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output.h except.h toplev.h $(RTL_H) c-common.h gt-cp-decl2.h cgraph.h
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output.h except.h toplev.h $(RTL_H) c-common.h gt-cp-decl2.h cgraph.h \
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c-pragma.h
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cp/cp-objcp-common.o : cp/cp-objcp-common.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
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$(TM_H) $(TREE_H) $(CXX_TREE_H) c-common.h toplev.h langhooks.h \
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$(LANGHOOKS_DEF_H) $(DIAGNOSTIC_H) debug.h $(CXX_PRETTY_PRINT_H) \
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@ -48,6 +48,7 @@ Boston, MA 02111-1307, USA. */
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#include "tree-mudflap.h"
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#include "cgraph.h"
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#include "tree-inline.h"
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#include "c-pragma.h"
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extern cpp_reader *parse_in;
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@ -3062,6 +3063,9 @@ cp_finish_file (void)
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if (priority_info_map)
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splay_tree_delete (priority_info_map);
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/* Generate any missing aliases. */
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maybe_apply_pending_pragma_weaks ();
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/* We're done with static constructors, so we can go back to "C++"
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linkage now. */
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pop_lang_context ();
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@ -1,3 +1,10 @@
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2004-11-29 Joseph Myers <joseph@codesourcery.com>
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PR c/7544
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* Make-lang.in (objc/objc-act.o): Update dependencies.
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* objc-act.c (objc_finish_file): Call
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maybe_apply_pending_pragma_weaks if not OBJCPLUS.
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2004-11-09 Andrew Pinski <pinskia@physics.uc.edu>
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PR objc/18406
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@ -73,7 +73,7 @@ objc/objc-act.o : objc/objc-act.c \
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$(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) $(RTL_H) $(TM_P_H) \
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$(EXPR_H) $(TARGET_H) $(C_TREE_H) diagnostic.h toplev.h flags.h \
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objc/objc-act.h input.h function.h output.h debug.h langhooks.h \
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$(LANGHOOKS_DEF_H) $(HASHTAB_H) gt-objc-objc-act.h
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$(LANGHOOKS_DEF_H) $(HASHTAB_H) c-pragma.h gt-objc-objc-act.h
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objc.srcextra: objc/objc-parse.c objc/objc-parse.y
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-cp -p $^ $(srcdir)/objc
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@ -55,6 +55,7 @@ Boston, MA 02111-1307, USA. */
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#endif
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#include "c-common.h"
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#include "c-pragma.h"
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#include "flags.h"
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#include "langhooks.h"
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#include "objc-act.h"
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@ -602,6 +603,8 @@ objc_finish_file (void)
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#ifdef OBJCPLUS
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cp_finish_file ();
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#else
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maybe_apply_pending_pragma_weaks ();
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#endif
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}
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@ -1,3 +1,9 @@
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2004-11-29 Joseph Myers <joseph@codesourcery.com>
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PR c/7544
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* g++.dg/ext/weak1.C, gcc.dg/weak/weak-10.c, objc.dg/weak-1.m: New
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tests.
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2004-11-29 Kriang Lerdsuwanakij <lerdsuwa@users.sourceforge.net>
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PR c++/18652
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@ -0,0 +1,13 @@
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// Test for #pragma weak where the weak alias symbol isn't declared,
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// although the symbol it is an alias for is defined in the
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// translation unit. Bug 7544.
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// Origin: Joseph Myers <joseph@codesourcery.com>
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// { dg-do compile }
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// { dg-require-weak "" }
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// { dg-require-alias "" }
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// { dg-options "-fno-common" }
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// { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?bar1" } }
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#pragma weak bar1 = foo1
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extern "C" void foo1 (void) {}
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@ -0,0 +1,13 @@
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/* Test for #pragma weak where the weak alias symbol isn't declared,
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although the symbol it is an alias for is defined in the
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translation unit. Bug 7544. */
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/* Origin: Joseph Myers <joseph@codesourcery.com> */
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/* { dg-do compile } */
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/* { dg-require-weak "" } */
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/* { dg-require-alias "" } */
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/* { dg-options "-fno-common" } */
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/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?bar1" } } */
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#pragma weak bar1 = foo1
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void foo1 (void) {}
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/* Test for #pragma weak where the weak alias symbol isn't declared,
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although the symbol it is an alias for is defined in the
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translation unit. Bug 7544. */
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/* Origin: Joseph Myers <joseph@codesourcery.com> */
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/* { dg-do compile } */
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/* { dg-require-weak "" } */
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/* { dg-require-alias "" } */
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/* { dg-options "-fno-common" } */
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/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?bar1" } } */
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#pragma weak bar1 = foo1
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void foo1 (void) {}
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