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

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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: r131032
This commit is contained in:
Jakub Jelinek
2007-12-18 06:05:43 +01:00
committed by John David Anglin
parent 8b13ce7ee2
commit ac2dbfde07
6 changed files with 52 additions and 0 deletions
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7
gcc/ChangeLog
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@@ -1,3 +1,10 @@
2007-12-17 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.
2007-12-13 Torbjorn Granlund <tege@swox.com>
* config/i386/i386.c (ix86_rtx_costs) [MULT]: Check op0 for

3
gcc/c-decl.c
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@@ -1660,6 +1660,9 @@ 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
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@@ -7779,6 +7779,12 @@ 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))
@@ -7787,6 +7793,8 @@ 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 @@
2007-12-17 Jakub Jelinek <jakub@redhat.com>
PR bootstrap/34003
* gcc.dg/pr34003-1.c: New test.
* gcc.dg/pr34003-2.c: New.
2007-12-10 Simon Martin <simartin@users.sourceforge.net>
PR c++/34059

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;
}