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testsuite, analyzer: add test case [PR108171]

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The ICE in PR analyzer/108171 appears to be a dup of the recently fixed
PR analyzer/110882 and is likewise fixed by it; adding this test case.

gcc/testsuite/ChangeLog:
	PR analyzer/108171
	* gcc.dg/analyzer/pr108171.c: New test.

Signed-off-by: David Malcolm <dmalcolm@redhat.com>
This commit is contained in:
David Malcolm 2023-08-03 10:47:22 -04:00
parent 93fd44fde6
commit f80efa49b7
1 changed files with 31 additions and 0 deletions
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31
gcc/testsuite/gcc.dg/analyzer/pr108171.c Normal file
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struct nl_context {
void *cmd_private;
};
struct sfeatures_context {
int a;
int req_mask[0];
};
int set_sf_req_mask_idx;
extern void fill_legacy_flag();
void
fill_sfeatures_bitmap(struct nl_context *nlctx) {
while (nlctx) {
fill_legacy_flag();
struct nl_context __trans_tmp_1 = *nlctx;
struct sfeatures_context *sfctx = __trans_tmp_1.cmd_private;
sfctx->req_mask[set_sf_req_mask_idx] |= 1;
}
}
void
nl_sfeatures() {
struct nl_context nlctx;
struct sfeatures_context *sfctx;
nlctx.cmd_private = &sfctx;
sfctx = 0;
fill_sfeatures_bitmap(&nlctx);
}