From 9b5109971b532a7a0834bcd5d12216d15e2d8c47 Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Mon, 16 May 2022 11:21:06 +0200 Subject: [PATCH] ipa/105598 - testcase for PR105598 2022-05-16 Richard Biener gcc/testsuite/ * gcc.dg/torture/pr105598.c: New testcase. (cherry picked from commit 6230911cb91d428631e741d7d981fab578102084) --- gcc/testsuite/gcc.dg/torture/pr105598.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/torture/pr105598.c diff --git a/gcc/testsuite/gcc.dg/torture/pr105598.c b/gcc/testsuite/gcc.dg/torture/pr105598.c new file mode 100644 index 0000000..0a4ea3b --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr105598.c @@ -0,0 +1,32 @@ +/* { dg-do run } */ + +typedef struct { unsigned int num; } info_t; +typedef struct { unsigned int flag, type; } block_t; +info_t info; +block_t blocks[] = { {2,0}, {3,0}, {1,0}, {1,0} }; + +static block_t * +f (info_t *i, block_t *b) +{ + while (1) { + unsigned int is_last = b->flag & 0x01; + i->num++; + if (b->flag & 0x02) { + if (b->type != 0x1) b->type = b->type; + b = f (i, b+1); + } + if (is_last) + break; + b++; + } + return b; +} + +int +main () +{ + f(&info, &blocks[0]); + if (info.num != 4) + __builtin_abort (); + return 0; +} -- 2.7.4