From 430b73ee5a4d9692552c13367868200d47a7bcaf Mon Sep 17 00:00:00 2001 From: mpolacek Date: Wed, 25 Jun 2014 12:43:05 +0000 Subject: [PATCH] PR c/61162 * c-parser.c (c_parser_statement_after_labels): Pass the location of the return expression to c_finish_return. * gcc.dg/pr61162.c: Adjust dg-warning. * gcc.dg/pr61162-2.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211978 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/c/ChangeLog | 6 +++++ gcc/c/c-parser.c | 3 ++- gcc/c/c-typeck.c | 3 ++- gcc/testsuite/ChangeLog | 6 +++++ gcc/testsuite/gcc.dg/pr61162-2.c | 48 ++++++++++++++++++++++++++++++++++++++++ gcc/testsuite/gcc.dg/pr61162.c | 2 +- 6 files changed, 65 insertions(+), 3 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/pr61162-2.c diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog index 955828c03d3..d1837c26634 100644 --- a/gcc/c/ChangeLog +++ b/gcc/c/ChangeLog @@ -1,3 +1,9 @@ +2014-06-25 Marek Polacek + + PR c/61162 + * c-parser.c (c_parser_statement_after_labels): Pass the location of + the return expression to c_finish_return. + 2014-06-25 Jakub Jelinek * c-typeck.c (c_finish_omp_clauses): Make sure diff --git a/gcc/c/c-parser.c b/gcc/c/c-parser.c index f83ccb07db4..5842320c540 100644 --- a/gcc/c/c-parser.c +++ b/gcc/c/c-parser.c @@ -4948,9 +4948,10 @@ c_parser_statement_after_labels (c_parser *parser) } else { + location_t xloc = c_parser_peek_token (parser)->location; struct c_expr expr = c_parser_expression_conv (parser); mark_exp_read (expr.value); - stmt = c_finish_return (loc, expr.value, expr.original_type); + stmt = c_finish_return (xloc, expr.value, expr.original_type); goto expect_semicolon; } break; diff --git a/gcc/c/c-typeck.c b/gcc/c/c-typeck.c index 4deeae76a07..b62e83012ee 100644 --- a/gcc/c/c-typeck.c +++ b/gcc/c/c-typeck.c @@ -9185,7 +9185,8 @@ c_finish_goto_ptr (location_t loc, tree expr) /* Generate a C `return' statement. RETVAL is the expression for what to return, or a null pointer for `return;' with no value. LOC is - the location of the return statement. If ORIGTYPE is not NULL_TREE, it + the location of the return statement, or the location of the expression, + if the statement has any. If ORIGTYPE is not NULL_TREE, it is the original type of RETVAL. */ tree diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c7016913894..ac32cce64d6 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2014-06-25 Marek Polacek + + PR c/61162 + * gcc.dg/pr61162.c: Adjust dg-warning. + * gcc.dg/pr61162-2.c: New test. + 2014-06-25 Marc Glisse PR tree-optimization/57742 diff --git a/gcc/testsuite/gcc.dg/pr61162-2.c b/gcc/testsuite/gcc.dg/pr61162-2.c new file mode 100644 index 00000000000..1045408d736 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr61162-2.c @@ -0,0 +1,48 @@ +/* PR c/61162 */ +/* { dg-do compile } */ +/* { dg-options "-Wc++-compat -Wpointer-sign -Wpedantic" } */ + +enum e { A }; +struct s { int a; }; + +enum e +fn1 (void) +{ + return 0; /* { dg-warning "10:enum conversion in return" } */ +} + +int +fn2 (struct s s) +{ + return s; /* { dg-error "10:incompatible types when returning" } */ +} + +void +fn3 (void) +{ + return 3; /* { dg-warning "10:in function returning void" } */ +} + +int +fn4 (int *a) +{ + return a; /* { dg-warning "10:return makes integer from pointer without a cast" } */ +} + +int * +fn5 (int a) +{ + return a; /* { dg-warning "10:return makes pointer from integer without a cast" } */ +} + +unsigned int * +fn6 (int *i) +{ + return i; /* { dg-warning "10:pointer targets in return differ" } */ +} + +void * +fn7 (void (*fp) (void)) +{ + return fp; /* { dg-warning "10:ISO C forbids return between function pointer" } */ +} diff --git a/gcc/testsuite/gcc.dg/pr61162.c b/gcc/testsuite/gcc.dg/pr61162.c index 00e64b9d758..8dcb0c8ed40 100644 --- a/gcc/testsuite/gcc.dg/pr61162.c +++ b/gcc/testsuite/gcc.dg/pr61162.c @@ -8,5 +8,5 @@ fn1 (void) { enum e e, q = 0; /* { dg-warning "17:enum conversion in initialization is invalid" } */ e = 0; /* { dg-warning "5:enum conversion in assignment is invalid" } */ - 1; return 0; /* { dg-warning "6:enum conversion in return is invalid" } */ + 1; return 0; /* { dg-warning "13:enum conversion in return is invalid" } */ } -- 2.11.4.GIT