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re PR debug/54499 (GCC produces wrong debugging information, failure while assembling generated .s file)

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PR debug/54499
	* cgraphunit.c (assemble_thunk): Don't call source_line debug hook
	here, instead call insn_locations_{init,finalize} and initialize
	prologue_location.

	* g++.dg/debug/pr54499.C: New test.

From-SVN: r193338
This commit is contained in:
Jakub Jelinek 2012-11-08 21:15:06 +01:00 committed by Jakub Jelinek
parent 3ad2d621f5
commit 68a5598093
4 changed files with 38 additions and 4 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2012-11-08 Jakub Jelinek <jakub@redhat.com>
PR debug/54499
* cgraphunit.c (assemble_thunk): Don't call source_line debug hook
here, instead call insn_locations_{init,finalize} and initialize
prologue_location.
2012-11-08 Dmitry Gorbachev <d.g.gorbachev@gmail.com>
PR driver/54789

8
gcc/cgraphunit.c
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@ -1413,16 +1413,16 @@ assemble_thunk (struct cgraph_node *node)
DECL_INITIAL (thunk_fndecl) = fn_block;
init_function_start (thunk_fndecl);
cfun->is_thunk = 1;
insn_locations_init ();
set_curr_insn_location (DECL_SOURCE_LOCATION (thunk_fndecl));
prologue_location = curr_insn_location ();
assemble_start_function (thunk_fndecl, fnname);
(*debug_hooks->source_line) (DECL_SOURCE_LINE (thunk_fndecl),
DECL_SOURCE_FILE (thunk_fndecl),
/* discriminator */ 0,
/* is_stmt */ 1);
targetm.asm_out.output_mi_thunk (asm_out_file, thunk_fndecl,
fixed_offset, virtual_value, alias);
assemble_end_function (thunk_fndecl, fnname);
insn_locations_finalize ();
init_insn_lengths ();
free_after_compilation (cfun);
set_cfun (NULL);

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2012-11-08 Jakub Jelinek <jakub@redhat.com>
PR debug/54499
* g++.dg/debug/pr54499.C: New test.
2012-11-08 Jan Hubicka <jh@suse.cz>
PR middle-end/48636

22
gcc/testsuite/g++.dg/debug/pr54499.C Normal file
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@ -0,0 +1,22 @@
// PR debug/54499
// { dg-do assemble }
struct S1
{
virtual void f () = 0;
};
struct S2
{
virtual ~S2 () { }
};
struct S3 : public S1, public S2
{
void f ();
};
void
S3::f ()
{
}