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re PR c++/4206 (ICE with switch in while)

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cp:
	PR g++/4206
	* parse.y (already_scoped_stmt): Remove.
	(simple_stmt, WHILE & FOR): Use implicitly_scoped_stmt.
testsuite:
	* g++.dg/other/forscope1.C: New test.
	* g++.dg/ext/forscope1.C: New test.
	* g++.dg/ext/forscope2.C: New test.

From-SVN: r46992
This commit is contained in:
Nathan Sidwell 2001-11-13 21:05:57 +00:00 committed by Nathan Sidwell
parent 4a4ae92254
commit b02922a4e3
6 changed files with 93 additions and 12 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2001-11-13 Nathan Sidwell <nathan@codesourcery.com>
PR g++/4206
* parse.y (already_scoped_stmt): Remove.
(simple_stmt, WHILE & FOR): Use implicitly_scoped_stmt.
2001-11-12 H.J. Lu <hjl@gnu.org>
* cp/cvt.c (ocp_convert): Don't warn the address of a weak

14
gcc/cp/parse.y
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@ -1187,16 +1187,6 @@ compstmtend:
| maybe_label_decls error '}'
;
already_scoped_stmt:
save_lineno '{'
{ $<ttype>$ = begin_compound_stmt (1); }
compstmtend
{ STMT_LINENO ($<ttype>3) = $1;
finish_compound_stmt (1, $<ttype>3); }
| save_lineno simple_stmt
{ if ($2) STMT_LINENO ($2) = $1; }
;
nontrivial_exprlist:
expr_no_commas ',' expr_no_commas
{ $$ = tree_cons (NULL_TREE, $$,
@ -3394,7 +3384,7 @@ simple_stmt:
}
paren_cond_or_null
{ finish_while_stmt_cond ($3, $<ttype>2); }
already_scoped_stmt
implicitly_scoped_stmt
{ $$ = $<ttype>2;
finish_while_stmt ($<ttype>2); }
| DO
@ -3415,7 +3405,7 @@ simple_stmt:
{ finish_for_cond ($6, $<ttype>2); }
xexpr ')'
{ finish_for_expr ($9, $<ttype>2); }
already_scoped_stmt
implicitly_scoped_stmt
{ $$ = $<ttype>2;
finish_for_stmt ($<ttype>2); }
| SWITCH

6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2001-11-13 Nathan Sidwell <nathan@codesourcery.com>
* g++.dg/other/forscope1.C: New test.
* g++.dg/ext/forscope1.C: New test.
* g++.dg/ext/forscope2.C: New test.
2001-11-13 Jakub Jelinek <jakub@redhat.com>
* gcc.c-torture/execute/20011113-1.c: New test.

27
gcc/testsuite/g++.dg/ext/forscope1.C Normal file
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@ -0,0 +1,27 @@
// { dg-do compile }
// { dg-options -fno-for-scope }
// Copyright (C) 2001 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 4 Sept 2001 <nathan@codesourcery.com>
// Bug 4206. We were nesting SCOPE_STMTs badly.
struct A
{
A ();
~A ();
};
void Go( )
{
for (int i = 1;;)
{
switch (1) {
default: {}
}
A d;
}
i;
}

27
gcc/testsuite/g++.dg/ext/forscope2.C Normal file
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@ -0,0 +1,27 @@
// { dg-do compile }
// { dg-options -fpermissive }
// Copyright (C) 2001 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 4 Sept 2001 <nathan@codesourcery.com>
// Bug 4206. We were nesting SCOPE_STMTs badly.
struct A
{
A ();
~A ();
};
void Go( )
{
for (int i = 1;;) // { dg-warning "using obsolete binding" "" }
{
switch (1) {
default: {}
}
A d;
}
i; // { dg-warning "name lookup" "" }
}

25
gcc/testsuite/g++.dg/other/forscope1.C Normal file
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@ -0,0 +1,25 @@
// { dg-do compile }
// Copyright (C) 2001 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 4 Sept 2001 <nathan@codesourcery.com>
// Bug 4206. We were nesting SCOPE_STMTs badly.
struct A
{
A ();
~A ();
};
void Go( )
{
while (1)
{
switch (1) {
default: {}
}
A d;
}
}