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re PR go/61204 (gccgo: ICE in in fold_convert_loc [GoSmith]) 

PR go/61204
	* go-gcc.cc (Gcc_backend::temporary_variable): Don't initialize
	zero-sized variable.

From-SVN: r219316
This commit is contained in:
Chris Manghane 2015-01-07 16:14:50 +00:00 committed by Ian Lance Taylor
parent 649a274903
commit dd37378003
2 changed files with 19 additions and 5 deletions
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15
gcc/go/ChangeLog
View File

@ -1,7 +1,14 @@
2015-01-07 Chris Manghane <cmang@google.com>
PR go/61204
* go-gcc.cc (Gcc_backend::temporary_variable): Don't initialize
zero-sized variable.
2015-01-06 Chris Manghane <cmang@google.com>
* go-gcc.cc (constructor_expression): Don't initialize zero-sized
fields, just evaluate the values for side effects.
* go-gcc.cc (Gcc_backend::constructor_expression): Don't
initialize zero-sized fields, just evaluate the values for side
effects.
2015-01-05 Jakub Jelinek <jakub@redhat.com>
@ -11,8 +18,8 @@
2014-12-19 Chris Manghane <cmang@google.com>
* go-gcc.cc (array_constructor_expression): Don't construct arrays
of zero-sized values.
* go-gcc.cc (Gcc_backend::array_constructor_expression): Don't
construct arrays of zero-sized values.
2014-10-29 Richard Sandiford <richard.sandiford@arm.com>

9
gcc/go/go-gcc.cc
View File

@ -2536,7 +2536,7 @@ Gcc_backend::temporary_variable(Bfunction* function, Bblock* bblock,
BIND_EXPR_VARS(bind_tree) = BLOCK_VARS(block_tree);
}
if (init_tree != NULL_TREE)
if (this->type_size(btype) != 0 && init_tree != NULL_TREE)
DECL_INITIAL(var) = fold_convert_loc(location.gcc_location(), type_tree,
init_tree);
@ -2546,6 +2546,13 @@ Gcc_backend::temporary_variable(Bfunction* function, Bblock* bblock,
*pstatement = this->make_statement(build1_loc(location.gcc_location(),
DECL_EXPR,
void_type_node, var));
// Don't initialize VAR with BINIT, but still evaluate BINIT for
// its side effects.
if (this->type_size(btype) == 0 && init_tree != NULL_TREE)
*pstatement = this->compound_statement(this->expression_statement(binit),
*pstatement);
return new Bvariable(var);
}