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-rw-r--r--gcc/README.Portability7
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/README.Portability b/gcc/README.Portability
index 1c2df58edad..a7331512d28 100644
--- a/gcc/README.Portability
+++ b/gcc/README.Portability
@@ -195,6 +195,7 @@ In K+R C, you have to cast enum types to use them as integers, and
some compilers in particular give lots of warnings for using an enum
as an array index.
+
Bitfields
---------
@@ -232,6 +233,7 @@ values in unsigned char fit in an int, it promotes to int).
** Not having any argument whose type is a short type (char, short,
float of any flavor) and subject to promotion. **
+
Trigraphs
---------
@@ -246,14 +248,15 @@ Suffixes on Integer Constants
**Using a 'u' suffix on integer constants.**
+ Common Coding Pitfalls
+ ======================
+
errno
-----
errno might be declared as a macro.
- Common Coding Pitfalls
- ======================
Implicit int
------------