Using the GNU Compiler Collection (GCC)

Node: Translation implementation, Next: Environment implementation, Up: C Implementation

Translation

How a diagnostic is identified (3.10, 5.1.1.3).
Diagnostics consist of all the output sent to stderr by GCC.
Whether each nonempty sequence of white-space characters other than new-line is retained or replaced by one space character in translation phase 3 (5.1.1.2).