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re PR bootstrap/34003 (gcc trunk unable to bootstrap itself; Unsatisfied symbols: ggc_free) 

PR bootstrap/34003
	* c-decl.c (merge_decls): Copy RTL from olddecl to newdecl.
	* config/pa/pa.c (pa_encode_section_info): If !first, preserve
	SYMBOL_FLAG_REFERENCED flag.

	* gcc.dg/pr34003-1.c: New test.
	* gcc.dg/pr34003-2.c: New.

From-SVN: r130979
This commit is contained in:
Jakub Jelinek 2007-12-16 00:08:47 +01:00 committed by Jakub Jelinek
parent 249b9e5e0a
commit 9a60b229e8
6 changed files with 52 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2007-12-16 Jakub Jelinek <jakub@redhat.com>
PR bootstrap/34003
* c-decl.c (merge_decls): Copy RTL from olddecl to newdecl.
* config/pa/pa.c (pa_encode_section_info): If !first, preserve
SYMBOL_FLAG_REFERENCED flag.
2007-12-15 Alexandre Oliva <aoliva@redhat.com>
* tree.c (type_hash_add): Fix whitespace.

3
gcc/c-decl.c
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@ -1670,6 +1670,9 @@ merge_decls (tree newdecl, tree olddecl, tree newtype, tree oldtype)
}
}
/* Keep the old rtl since we can safely use it. */
if (HAS_RTL_P (olddecl))
COPY_DECL_RTL (olddecl, newdecl);
/* Merge the type qualifiers. */
if (TREE_READONLY (newdecl))

8
gcc/config/pa/pa.c
View File

@ -7834,6 +7834,12 @@ hppa_encode_label (rtx sym)
static void
pa_encode_section_info (tree decl, rtx rtl, int first)
{
int old_referenced = 0;
if (!first && MEM_P (rtl) && GET_CODE (XEXP (rtl, 0)) == SYMBOL_REF)
old_referenced
= SYMBOL_REF_FLAGS (XEXP (rtl, 0)) & SYMBOL_FLAG_REFERENCED;
default_encode_section_info (decl, rtl, first);
if (first && TEXT_SPACE_P (decl))
@ -7842,6 +7848,8 @@ pa_encode_section_info (tree decl, rtx rtl, int first)
if (TREE_CODE (decl) == FUNCTION_DECL)
hppa_encode_label (XEXP (rtl, 0));
}
else if (old_referenced)
SYMBOL_REF_FLAGS (XEXP (rtl, 0)) |= old_referenced;
}
/* This is sort of inverse to pa_encode_section_info. */

6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2007-12-16 Jakub Jelinek <jakub@redhat.com>
PR bootstrap/34003
* gcc.dg/pr34003-1.c: New test.
* gcc.dg/pr34003-2.c: New.
2007-12-15 Hans-Peter Nilsson <hp@axis.com>
* gcc.target/cris/peep2-xsrand.c, gcc.target/cris/asmreg-1.c,

8
gcc/testsuite/gcc.dg/pr34003-1.c Normal file
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@ -0,0 +1,8 @@
/* PR bootstrap/34003 */
/* { dg-do link } */
/* { dg-options "-O0" } */
/* { dg-additional-sources "pr34003-2.c" } */
extern void foo (void);
int bar (void) { foo (); return 1; }
extern void foo (void);

20
gcc/testsuite/gcc.dg/pr34003-2.c Normal file
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@ -0,0 +1,20 @@
/* PR bootstrap/34003 */
/* { dg-do compile } */
/* { dg-options "-O0" } */
extern void abort (void);
int seen = 0;
void foo (void)
{
++seen;
}
int main (void)
{
extern int bar (void);
if (bar () != 1 || seen != 1)
abort ();
return 0;
}