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re PR middle-end/87647 (ICE on valid code in decode_addr_const, at varasm.c:2958)

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PR middle-end/87647
	* varasm.c (decode_addr_const): Handle COMPOUND_LITERAL_EXPR.

	* gcc.c-torture/compile/pr87647.c: New test.

From-SVN: r265341
This commit is contained in:
Jakub Jelinek 2018-10-20 10:58:00 +02:00 • committed by Jakub Jelinek
parent 79e61dc249
commit ca66a6cd61
4 changed files with 30 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2018-10-20 Jakub Jelinek <jakub@redhat.com>
PR middle-end/87647
* varasm.c (decode_addr_const): Handle COMPOUND_LITERAL_EXPR.
2018-10-20 Andreas Schwab <schwab@linux-m68k.org>
* doc/ux.texi: Move @section directly after @node.

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2018-10-20 Jakub Jelinek <jakub@redhat.com>
PR middle-end/87647
* gcc.c-torture/compile/pr87647.c: New test.
2018-10-19 Jakub Jelinek <jakub@redhat.com>
PR middle-end/85488

15
gcc/testsuite/gcc.c-torture/compile/pr87647.c Normal file
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@ -0,0 +1,15 @@
/* PR middle-end/87647 */
struct A {};
struct A *const b = &(struct A) {};
struct B { char *s; struct A *t; };
void bar (struct B *);
void
foo (void)
{
struct B a[] = { "", b, "", b, "", b, "", b, "", b, "", b, "", b, "", b,
"", b, "", b, "", b, "", b, "", b, "", b, "", b, "", b,
"", b };
bar (a);
}

5
gcc/varasm.c
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@ -2953,6 +2953,11 @@ decode_addr_const (tree exp, struct addr_const *value)
gen_rtx_SYMBOL_REF (Pmode, "origin of addresses"));
break;
case COMPOUND_LITERAL_EXPR:
gcc_assert (COMPOUND_LITERAL_EXPR_DECL (target));
x = DECL_RTL (COMPOUND_LITERAL_EXPR_DECL (target));
break;
default:
gcc_unreachable ();
}