gcc compiles with no error with no return type (even using -Wall)
3334
What should main() return in C and C++?
28966
Is gcc 4.8 or earlier buggy about regular expressions?
150789
C++ on x86-64: when are structs/classes passed and returned in registers?
157705
std::unique_ptr with an incomplete type won't compile
78811
Incompatible implicit declaration of built-in function ‘malloc’
154278
How to undefine a define at commandline using gcc
20598
gcc does not include extern variables in symbol table when optimisation is used
105196
Repeated Multiple Definition Errors from including same header in multiple cpps
123433
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions?
19728
Declaring type of pointers?
6294
What are all the common undefined behaviours that a C++ programmer should know about?
81716
gdb gives strange output when using math.h functions
110724
Why is #include  not required to use printf()?
144075
Why does typeid.name() return weird characters using GCC and how to make it print unmangled names?
66757
Why is this program erroneously rejected by three C++ compilers?
80755
GCC not saving/restoring reserved registers on function calls
12141
Getting "type or namespace name could not be found" but everything seems ok?