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VLA fix [1/3]: added testcase demonstrating VLA bug

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This commit is contained in:
Joe Soroka
2011-04-08 01:07:17 -07:00
parent 174d61a56e
commit cb2fa5eab9
1 changed files with 6 additions and 1 deletions
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7
tests/tcctest.c
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@ -2079,9 +2079,14 @@ void *bounds_checking_is_enabled()
} }
void c99_vla_test(int size1, int size2) void c99_vla_test(int size1, int size2)
{ {
#if defined __i386__ || defined __x86_64__
int size = size1 * size2; int size = size1 * size2;
int tab1[size][2], tab2[10][2]; int tab1[size][2], tab2[10][2];
void *tab1_ptr, *tab2_ptr, *bad_ptr;
/* "size" should have been 'captured' at tab1 declaration,
so modifying it should have no effect on VLA behaviour. */
size = size-1; size = size-1;
printf("Test C99 VLA 1 (sizeof): "); printf("Test C99 VLA 1 (sizeof): ");