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PR tree-optimization/61677 - False positive with -Wmaybe-uninitialized

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gcc/testsuite/ChangeLog:
	PR tree-optimization/61677
	* gcc.dg/uninit-pr61677.c: New test.
This commit is contained in:
Martin Sebor 2021-03-29 15:21:32 -06:00
parent 645bfc1619
commit fecc835e21
1 changed files with 26 additions and 0 deletions
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gcc/testsuite/gcc.dg/uninit-pr61677.c Normal file
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/* PR tree-optimization/61677 - False positive with -Wmaybe-uninitialized
{ dg-do compile }
{ dg-options "-O2 -Wall" } */
void *xmalloc (void);
struct menu { struct menu *parent; };
struct jump_key { int offset; };
void f (struct menu *menu)
{
int i;
struct menu *submenu[8], *location;
struct jump_key *jump;
location = menu;
for (i = 0; menu && i < 8; menu = menu->parent)
submenu[i++] = menu;
if (location)
jump = xmalloc ();
while (--i >= 0) {
menu = submenu[i];
if (location)
jump->offset = 42;
}
}