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re PR middle-end/59223 (-Wmaybe-uninitialized and -Wuninitialized relationships) 

PR middle-end/59223
	* tree-ssa-uninit.c (gate_warn_uninitialized): Run the pass even for
	-Wmaybe-uninitialized.
testsuite/
	* c-c++-common/pr59223.c: New test.

From-SVN: r208196
This commit is contained in:
Marek Polacek 2014-02-27 08:05:21 +00:00 committed by Marek Polacek
parent 6f45986acc
commit bb0d8e8488
4 changed files with 25 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2014-02-27 Marek Polacek <polacek@redhat.com>
PR middle-end/59223
* tree-ssa-uninit.c (gate_warn_uninitialized): Run the pass even for
-Wmaybe-uninitialized.
2014-02-27 Alan Modra <amodra@gmail.com>
PR target/57936

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2014-02-27 Marek Polacek <polacek@redhat.com>
PR middle-end/59223
* c-c++-common/pr59223.c: New test.
2014-02-26 Ilya Tocar <ilya.tocar@intel.com>
* common/config/i386/predicates.md (const1256_operand): Remove.

13
gcc/testsuite/c-c++-common/pr59223.c Normal file
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@ -0,0 +1,13 @@
/* PR c/59223 */
/* { dg-do compile } */
/* { dg-options "-O2 -Wmaybe-uninitialized" } */
int foo (int x)
{
int y;
if (x == 0)
y = 1;
else if (x == 1)
y = 2;
return y; /* { dg-warning "may be used uninitialized in this function" } */
}

2
gcc/tree-ssa-uninit.c
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@ -2355,7 +2355,7 @@ execute_late_warn_uninitialized (void)
static bool
gate_warn_uninitialized (void)
{
return warn_uninitialized != 0;
return warn_uninitialized || warn_maybe_uninitialized;
}
namespace {