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PR c/97172 - ICE: tree code 'ssa_name' is not supported in LTO streams 

gcc/ChangeLog:

	PR c/97172
	* attribs.c (init_attr_rdwr_indices): Guard vblist use.
	(attr_access::free_lang_data): Remove a spurious test.

gcc/testsuite/ChangeLog:

	PR c/97172
	* gcc.dg/pr97172.c: Add test cases.
This commit is contained in:
Martin Sebor 2021-02-19 11:06:06 -07:00
parent bfe83ae38e
commit 3599ecb6a0
2 changed files with 32 additions and 5 deletions
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6
gcc/attribs.c
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@ -2124,7 +2124,7 @@ init_attr_rdwr_indices (rdwr_map *rwm, tree attrs)
if (*m == '$')
{
++m;
if (!acc.size)
if (!acc.size && vblist)
{
/* Extract the list of VLA bounds for the current
parameter, store it in ACC.SIZE, and advance
@ -2252,10 +2252,6 @@ attr_access::free_lang_data (tree attrs)
if (!vblist)
continue;
vblist = TREE_VALUE (vblist);
if (!vblist)
continue;
for (vblist = TREE_VALUE (vblist); vblist; vblist = TREE_CHAIN (vblist))
{
tree *pvbnd = &TREE_VALUE (vblist);

31
gcc/testsuite/gcc.dg/pr97172.c
View File

@ -30,21 +30,52 @@ void fnp1_np1_np1 (int a[n + 1][n + 1][n + 1]);
void gn (int a[n]) { fn (a); }
void gnp1 (int a[n + 1]) { fnp1 (a); }
void gnd2p1 (int a[n / 2 + 1]) { fnp1 (a); }
void gx_n (int a[][n]) { fx_n (a); }
void gx_np1 (int a[][n + 1]) { fx_np1 (a); }
void gx_nd2p1 (int a[][n / 2 + 1]) { fx_np1 (a); }
void g2_n (int a[2][n]) { f2_n (a); }
void g2_np1 (int a[2][n + 1]) { f2_np1 (a); }
void g2_nd2p1 (int a[2][n / 2 + 1]) { f2_np1 (a); }
void gn_3 (int a[n][3]) { fn_3 (a); }
void gnp1_3 (int a[n + 1][3]) { fnp1_3 (a); }
void gnd2p1_3 (int a[n / 2 + 1][3]) { fnp1_3 (a); }
void gn_n (int a[n][n]) { fn_n (a); }
void gn_np1 (int a[n][n + 1]) { fn_np1 (a); }
void gnp1_np1 (int a[n + 1][n + 1]) { fnp1_np1 (a); }
void gnd2p1_nd2p1 (int a[n / 2 + 1][n / 2 + 1]) { fnp1_np1 (a); }
void gn_n_n (int a[n][n][n]) { fn_n_n (a); }
void gn_n_np1 (int a[n][n][n + 1]) { fn_n_np1 (a); }
void gn_np1_np1 (int a[n][n + 1][n + 1]) { fn_np1_np1 (a); }
void gnp1_np1_np1 (int a[n + 1][n + 1][n + 1]) { fnp1_np1_np1 (a); }
void gnd2p1_nd2p1_nd2p1 (int a[n / 2 + 1][n / 2 + 1][n / 2 + 1])
{ fnp1_np1_np1 (a); }
void fna3_1 (int n,
int a[n / 2 + 1],
int b[n / 2 + 1],
int c[n / 2 + 1]);
void gna3_1 (int n,
int a[n / 2 + 1],
int b[n / 2 + 1],
int c[n / 2 + 1]) { fna3_1 (n, a, b, c); }
void fna3_2_3_4 (int n,
int a[n / 2 + 1][n / 2 + 2],
int b[n / 2 + 1][n / 2 + 2][n / 2 + 3],
int c[n / 2 + 1][n / 2 + 2][n / 2 + 3][n / 2 + 4]);
void gna3_2_3_4 (int n,
int a[n / 2 + 1][n / 2 + 2],
int b[n / 2 + 1][n / 2 + 2][n / 2 + 3],
int c[n / 2 + 1][n / 2 + 2][n / 2 + 3][n / 2 + 4])
{
fna3_2_3_4 (n, a, b, c);
}