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| author | Richard Biener <rguenther@suse.de> | 2017-02-23 12:38:39 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2017-02-23 12:38:39 +0000 |
| commit | 5d972e66ba61be501c98be1c6aa565d42c1737e5 (patch) | |
| tree | eb4ff64f1a5bc2b51736f879d007e709b701437d /gcc/c/gimple-parser.c | |
| parent | f3ffa342ea53803bf276207aab5b0b6b1c420b45 (diff) | |
| download | gcc-5d972e66ba61be501c98be1c6aa565d42c1737e5.zip gcc-5d972e66ba61be501c98be1c6aa565d42c1737e5.tar.gz gcc-5d972e66ba61be501c98be1c6aa565d42c1737e5.tar.bz2 | |
re PR c/79684 (Conditional jump or move depends on uninitialised value in GIMPLE FE)
2017-02-23 Richard Biener <rguenther@suse.de>
PR c/79684
* gimple-parser.c (c_parser_gimple_statement): Use set_error
to initialize c_exprs to return.
(c_parser_gimple_binary_expression): Likewise.
(c_parser_gimple_unary_expression): Likewise.
(c_parser_gimple_postfix_expression): Likewise.
From-SVN: r245681
Diffstat (limited to 'gcc/c/gimple-parser.c')
| -rw-r--r-- | gcc/c/gimple-parser.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/gcc/c/gimple-parser.c b/gcc/c/gimple-parser.c index cb2b6af..0d6384b 100644 --- a/gcc/c/gimple-parser.c +++ b/gcc/c/gimple-parser.c @@ -270,7 +270,7 @@ c_parser_gimple_statement (c_parser *parser, gimple_seq *seq) lhs = c_parser_gimple_unary_expression (parser); loc = EXPR_LOCATION (lhs.value); - rhs.value = error_mark_node; + rhs.set_error (); /* GIMPLE call statement without LHS. */ if (c_parser_next_token_is (parser, CPP_SEMICOLON) @@ -455,7 +455,7 @@ c_parser_gimple_binary_expression (c_parser *parser) /* Location of the binary operator. */ struct c_expr ret, lhs, rhs; enum tree_code code = ERROR_MARK; - ret.value = error_mark_node; + ret.set_error (); lhs = c_parser_gimple_postfix_expression (parser); if (c_parser_error (parser)) return ret; @@ -553,9 +553,7 @@ c_parser_gimple_unary_expression (c_parser *parser) struct c_expr ret, op; location_t op_loc = c_parser_peek_token (parser)->location; location_t finish; - ret.original_code = ERROR_MARK; - ret.original_type = NULL; - ret.value = error_mark_node; + ret.set_error (); switch (c_parser_peek_token (parser)->type) { case CPP_AND: @@ -723,11 +721,10 @@ c_parser_parse_ssa_name (c_parser *parser, static struct c_expr c_parser_gimple_postfix_expression (c_parser *parser) { - struct c_expr expr; location_t loc = c_parser_peek_token (parser)->location; source_range tok_range = c_parser_peek_token (parser)->get_range (); - expr.original_code = ERROR_MARK; - expr.original_type = NULL; + struct c_expr expr; + expr.set_error (); switch (c_parser_peek_token (parser)->type) { case CPP_NUMBER: |