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author | Marek Polacek <polacek@redhat.com> | 2017-01-04 21:47:04 +0000 |
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committer | Marek Polacek <mpolacek@gcc.gnu.org> | 2017-01-04 21:47:04 +0000 |
commit | a9342885b149d3dd47037c937c012ba76580acd5 (patch) | |
tree | d230c083213bb30f68b85cc5cdcb389fbfc76650 /gcc/cp/ChangeLog | |
parent | abec4284a64b3ebc6f986b5223a3623e682ae348 (diff) | |
download | gcc-a9342885b149d3dd47037c937c012ba76580acd5.zip gcc-a9342885b149d3dd47037c937c012ba76580acd5.tar.gz gcc-a9342885b149d3dd47037c937c012ba76580acd5.tar.bz2 |
re PR c++/64767 (Could GCC warn when a pointer is compared against '\0'?)
PR c++/64767
* c.opt (Wpointer-compare): New option.
* c-parser.c (c_parser_postfix_expression): Mark zero character
constants by setting original_type in c_expr.
* c-typeck.c (parser_build_binary_op): Warn when a pointer is compared
with a zero character constant.
(char_type_p): New function.
* typeck.c (cp_build_binary_op): Warn when a pointer is compared with
a zero character literal.
* doc/invoke.texi: Document -Wpointer-compare.
* c-c++-common/Wpointer-compare-1.c: New test.
From-SVN: r244076
Diffstat (limited to 'gcc/cp/ChangeLog')
-rw-r--r-- | gcc/cp/ChangeLog | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 8dc6588e..8e723be 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2017-01-04 Marek Polacek <polacek@redhat.com> + + PR c++/64767 + * typeck.c (cp_build_binary_op): Warn when a pointer is compared with + a zero character literal. + 2017-01-04 Jakub Jelinek <jakub@redhat.com> PR c++/78949 |