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re PR middle-end/89590 (ICE in maybe_emit_free_warning)

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PR middle-end/89590
	* builtins.c (maybe_emit_free_warning): Punt if free doesn't have
	exactly one argument.

	* gcc.dg/pr89590.c: New test.

From-SVN: r269392
This commit is contained in:
Jakub Jelinek 2019-03-05 17:22:16 +01:00 • committed by Jakub Jelinek
parent cff1a1225d
commit 9616781de2
4 changed files with 25 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2019-03-05 Jakub Jelinek <jakub@redhat.com>
PR middle-end/89590
* builtins.c (maybe_emit_free_warning): Punt if free doesn't have
exactly one argument.
2019-03-05 Jakub Jelinek <jakub@redhat.com>
Richard Sandiford <richard.sandiford@arm.com>

3
gcc/builtins.c
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@ -10604,6 +10604,9 @@ maybe_emit_sprintf_chk_warning (tree exp, enum built_in_function fcode)
static void
maybe_emit_free_warning (tree exp)
{
if (call_expr_nargs (exp) != 1)
return;
tree arg = CALL_EXPR_ARG (exp, 0);
STRIP_NOPS (arg);

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2019-03-05 Jakub Jelinek <jakub@redhat.com>
PR middle-end/89590
* gcc.dg/pr89590.c: New test.
2019-03-05 Wilco Dijkstra <wdijkstr@arm.com>
PR target/89222

11
gcc/testsuite/gcc.dg/pr89590.c Normal file
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@ -0,0 +1,11 @@
/* PR middle-end/89590 */
/* { dg-do compile } */
/* { dg-options "-O2 -Wall -w" } */
void free (void *);
void
foo (void)
{
((void (*)()) free) ();
}