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re PR c++/35334 (Broken diagnostic for complex cast)

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PR c++/35334
	* c-pretty-print.c (pp_c_complex_expr): New function.
	(pp_c_postfix_expression) <case COMPLEX_EXPR>: Call it.

	* error.c (dump_expr): Handle COMPLEX_EXPR.

	* gcc.dg/pr35334.c: New test.
	* g++.dg/other/error29.C: New test.

From-SVN: r141783
This commit is contained in:
Jakub Jelinek 2008-11-12 09:18:45 +01:00 • committed by Jakub Jelinek
parent 8ebec1a5dd
commit 66e6819110
7 changed files with 103 additions and 1 deletions
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4
gcc/ChangeLog
View file

@ -1,5 +1,9 @@
2008-11-12 Jakub Jelinek <jakub@redhat.com>
PR c++/35334
* c-pretty-print.c (pp_c_complex_expr): New function.
(pp_c_postfix_expression) <case COMPLEX_EXPR>: Call it.
PR target/35366
* expr.c (expand_expr_addr_expr_1): If EXP needs bigger alignment
than INNER and INNER is a constant, forcibly align INNER as much

45
gcc/c-pretty-print.c
View file

@ -975,6 +975,46 @@ pp_c_compound_literal (c_pretty_printer *pp, tree e)
}
}
/* Pretty-print a COMPLEX_EXPR expression. */
static void
pp_c_complex_expr (c_pretty_printer *pp, tree e)
{
/* Handle a few common special cases, otherwise fallback
to printing it as compound literal. */
tree type = TREE_TYPE (e);
tree realexpr = TREE_OPERAND (e, 0);
tree imagexpr = TREE_OPERAND (e, 1);
/* Cast of an COMPLEX_TYPE expression to a different COMPLEX_TYPE. */
if (TREE_CODE (realexpr) == NOP_EXPR
&& TREE_CODE (imagexpr) == NOP_EXPR
&& TREE_TYPE (realexpr) == TREE_TYPE (type)
&& TREE_TYPE (imagexpr) == TREE_TYPE (type)
&& TREE_CODE (TREE_OPERAND (realexpr, 0)) == REALPART_EXPR
&& TREE_CODE (TREE_OPERAND (imagexpr, 0)) == IMAGPART_EXPR
&& TREE_OPERAND (TREE_OPERAND (realexpr, 0), 0)
== TREE_OPERAND (TREE_OPERAND (imagexpr, 0), 0))
{
pp_c_type_cast (pp, type);
pp_expression (pp, TREE_OPERAND (TREE_OPERAND (realexpr, 0), 0));
return;
}
/* Cast of an scalar expression to COMPLEX_TYPE. */
if ((integer_zerop (imagexpr) || real_zerop (imagexpr))
&& TREE_TYPE (realexpr) == TREE_TYPE (type))
{
pp_c_type_cast (pp, type);
if (TREE_CODE (realexpr) == NOP_EXPR)
realexpr = TREE_OPERAND (realexpr, 0);
pp_expression (pp, realexpr);
return;
}
pp_c_compound_literal (pp, e);
}
/* constant:
integer-constant
floating-constant
@ -1406,10 +1446,13 @@ pp_c_postfix_expression (c_pretty_printer *pp, tree e)
case COMPLEX_CST:
case VECTOR_CST:
case COMPLEX_EXPR:
pp_c_compound_literal (pp, e);
break;
case COMPLEX_EXPR:
pp_c_complex_expr (pp, e);
break;
case COMPOUND_LITERAL_EXPR:
e = DECL_INITIAL (COMPOUND_LITERAL_EXPR_DECL (e));
/* Fall through. */

5
gcc/cp/ChangeLog
View file

@ -1,3 +1,8 @@
2008-11-12 Jakub Jelinek <jakub@redhat.com>
PR c++/35334
* error.c (dump_expr): Handle COMPLEX_EXPR.
2008-11-10 Jakub Jelinek <jakub@redhat.com>
PR c++/38021

1
gcc/cp/error.c
View file

@ -2068,6 +2068,7 @@ dump_expr (tree t, int flags)
case UNGE_EXPR:
case UNEQ_EXPR:
case LTGT_EXPR:
case COMPLEX_EXPR:
pp_expression (cxx_pp, t);
break;

6
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,9 @@
2008-11-12 Jakub Jelinek <jakub@redhat.com>
PR c++/35334
* gcc.dg/pr35334.c: New test.
* g++.dg/other/error29.C: New test.
2008-11-12 Tobias Burnus <burnus@net-b.de>
PR fortran/38065

21
gcc/testsuite/g++.dg/other/error29.C Normal file
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@ -0,0 +1,21 @@
// PR c++/35334
// { dg-do compile }
// { dg-bogus "not supported by" "" { target *-*-* } 0 }
__complex__ unsigned int i;
int j;
char k;
__complex__ double l;
double m;
float n;
void
foo ()
{
((__complex__ int)i)(); // { dg-error "cannot be used as a function" }
((__complex__ int)j)(); // { dg-error "cannot be used as a function" }
((__complex__ int)k)(); // { dg-error "cannot be used as a function" }
((__complex__ long double)l)(); // { dg-error "cannot be used as a function" }
((__complex__ long double)m)(); // { dg-error "cannot be used as a function" }
((__complex__ long double)n)(); // { dg-error "cannot be used as a function" }
}

22
gcc/testsuite/gcc.dg/pr35334.c Normal file
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@ -0,0 +1,22 @@
/* PR c++/35334 */
/* { dg-do compile } */
/* { dg-options "-std=gnu99" } */
/* { dg-bogus "not supported by" "" { target *-*-* } 0 } */
__complex__ unsigned int i;
int j;
char k;
__complex__ double l;
double m;
float n;
void
foo ()
{
((__complex__ int)i)(); /* { dg-error "is not a function" } */
((__complex__ int)j)(); /* { dg-error "is not a function" } */
((__complex__ int)k)(); /* { dg-error "is not a function" } */
((__complex__ long double)l)(); /* { dg-error "is not a function" } */
((__complex__ long double)m)(); /* { dg-error "is not a function" } */
((__complex__ long double)n)(); /* { dg-error "is not a function" } */
}