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riscv-gcc-1
Commit dba9c1fd by Jakub Jelinek Committed by Jakub Jelinek
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re PR debug/83694 (New test case gcc.dg/pr83666.c from r256232 ICEs) 

	PR middle-end/83694
	* cfgexpand.c (expand_debug_expr): Punt if mode1 is VOIDmode
	and bitsize might be greater than MAX_BITSIZE_MODE_ANY_INT.

From-SVN: r256307
parent 319e41dc
Showing with 12 additions and 2 deletions
gcc/ChangeLog
2018-01-06 Jakub Jelinek <jakub@redhat.com>
PR middle-end/83694
* cfgexpand.c (expand_debug_expr): Punt if mode1 is VOIDmode
and bitsize might be greater than MAX_BITSIZE_MODE_ANY_INT.
2018-01-05 Jakub Jelinek <jakub@redhat.com>
PR target/83604
......
gcc/cfgexpand.c
......@@ -4534,8 +4534,12 @@ expand_debug_expr (tree exp)
if (MEM_P (op0))
{
if (mode1 == VOIDmode)
/* Bitfield. */
mode1 = smallest_int_mode_for_size (bitsize);
{
if (maybe_gt (bitsize, MAX_BITSIZE_MODE_ANY_INT))
return NULL;
/* Bitfield. */
mode1 = smallest_int_mode_for_size (bitsize);
}
poly_int64 bytepos = bits_to_bytes_round_down (bitpos);
if (maybe_ne (bytepos, 0))
{
......
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