[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 --- Comment #18 from Manuel López-Ibáñez --- A large patch will often get lost in comments and revisions unless the submitter is very insistent and committed. If you want to get this moving, my advice would be to split out the smallest piece

[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 --- Comment #17 from Eric Gallager --- (In reply to Xi Ruoyao from comment #16) > (In reply to Jonathan Wakely from comment #15) > > Was this question ever answered? > > https://gcc.gnu.org/ml/gcc-patches/2017-06/msg01337.html > > Oh that's

[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 --- Comment #16 from Xi Ruoyao --- (In reply to Jonathan Wakely from comment #15) > Was this question ever answered? > https://gcc.gnu.org/ml/gcc-patches/2017-06/msg01337.html Oh that's intentional. This would make this warning more useful,

[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 --- Comment #15 from Jonathan Wakely --- Was this question ever answered? https://gcc.gnu.org/ml/gcc-patches/2017-06/msg01337.html

[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 jynelson at email dot sc.edu changed: What|Removed |Added CC||jynelson at email dot

[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 Manuel López-Ibáñez changed: What|Removed |Added CC||vittorio.romeo at outlook dot com

[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 Manuel López-Ibáñez changed: What|Removed |Added CC||veksler at il dot ibm.com ---

[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 Eric Gallager changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 --- Comment #10 from Xi Ruoyao --- A series of patch sent to gcc-patches:

[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 --- Comment #9 from Martin Sebor --- (In reply to Xi Ruoyao from comment #8) > (In reply to Xi Ruoyao from comment #7) > > > We should make a new PR requesting for clang -Warray-bounds as well. It's > > a part of meta-bug PR30334. > > Sorry.

[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 --- Comment #8 from Xi Ruoyao --- (In reply to Xi Ruoyao from comment #7) > We should make a new PR requesting for clang -Warray-bounds as well. It's > a part of meta-bug PR30334. Sorry. We have -Warray-bounds, but not as well as clang's.

[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 --- Comment #7 from Xi Ruoyao --- (In reply to Martin Sebor from comment #6) > With constant arguments (or those whose value or range is known), GCC should > warn on the first declaration in comment #0 (copied below) not necessarily > because

[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 Martin Sebor changed: What|Removed |Added CC||msebor at gcc dot gnu.org --- Comment #6

[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 --- Comment #5 from Xi Ruoyao --- Some clang-5.0 warning case: ~~~ Wstring-plus-int.c:20:24: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int] const char *a = "aa" + 'a'; /* { dg-warning "does not append" }

[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 Xi Ruoyao changed: What|Removed |Added CC||ryxi at stu dot xidian.edu.cn --- Comment

[Bug c++/62181] [C/C++] Expected new warning: "adding 'char' to a string does not append to the string" [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 Eric Gallager changed: What|Removed |Added CC||egall at gwmail dot gwu.edu W E Brown

[Bug c++/62181] [C/C++] Expected new warning: adding 'char' to a string does not append to the string [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 Manuel López-Ibáñez manu at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Last

[Bug c++/62181] [C/C++] Expected new warning: adding 'char' to a string does not append to the string [-Wstring-plus-int]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62181 --- Comment #2 from Manuel López-Ibáñez manu at gcc dot gnu.org --- In both FEs there is a function build_binary_op. Put a break-point inside, examine the operands with debug_tree and figure out how to detect this case and when to warn. Add the