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re PR c/60351 (Incorrect column number for warning on "right shift count is negative")

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PR c/60351
	* c-typeck.c (build_binary_op): Use location when warning about
	shift count.

	* gcc.dg/pr60351.c: New test.

From-SVN: r209925
This commit is contained in:
Marek Polacek 2014-04-30 06:08:17 +00:00 • committed by Marek Polacek
parent 171f2e787d
commit c4bdc42f75
4 changed files with 28 additions and 4 deletions
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6
gcc/c/ChangeLog
View file

@ -1,3 +1,9 @@
2014-04-30 Marek Polacek <polacek@redhat.com>
PR c/60351
* c-typeck.c (build_binary_op): Use location when warning about
shift count.
2014-04-25 Marek Polacek <polacek@redhat.com>
PR c/18079

10
gcc/c/c-typeck.c
View file

@ -10402,7 +10402,7 @@ build_binary_op (location_t location, enum tree_code code,
{
int_const = false;
if (c_inhibit_evaluation_warnings == 0)
warning (0, "right shift count is negative");
warning_at (location, 0, "right shift count is negative");
}
else
{
@ -10413,7 +10413,8 @@ build_binary_op (location_t location, enum tree_code code,
{
int_const = false;
if (c_inhibit_evaluation_warnings == 0)
warning (0, "right shift count >= width of type");
warning_at (location, 0, "right shift count >= width "
"of type");
}
}
}
@ -10455,14 +10456,15 @@ build_binary_op (location_t location, enum tree_code code,
{
int_const = false;
if (c_inhibit_evaluation_warnings == 0)
warning (0, "left shift count is negative");
warning_at (location, 0, "left shift count is negative");
}
else if (compare_tree_int (op1, TYPE_PRECISION (type0)) >= 0)
{
int_const = false;
if (c_inhibit_evaluation_warnings == 0)
warning (0, "left shift count >= width of type");
warning_at (location, 0, "left shift count >= width of "
"type");
}
}

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2014-04-30 Marek Polacek <polacek@redhat.com>
PR c/60351
* gcc.dg/pr60351.c: New test.
2013-04-29 Alan Lawrence <alan.lawrence@arm.com>
* gcc.target/arm/simd/simd.exp: New file.

11
gcc/testsuite/gcc.dg/pr60351.c Normal file
View file

@ -0,0 +1,11 @@
/* PR c/60351 */
/* { dg-do compile } */
void
f (int i)
{
i >> -1; /* { dg-warning "5:right shift count is negative" } */
i >> 250; /* { dg-warning "5:right shift count >= width of type" } */
i << -1; /* { dg-warning "5:left shift count is negative" } */
i << 250; /* { dg-warning "5:left shift count >= width of type" } */
}