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-rw-r--r--CODING_STYLE7
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diff --git a/CODING_STYLE b/CODING_STYLE
index dcbce28a27..4280945ff0 100644
--- a/CODING_STYLE
+++ b/CODING_STYLE
@@ -84,3 +84,10 @@ and clarity it comes on a line by itself:
Rationale: a consistent (except for functions...) bracing style reduces
ambiguity and avoids needless churn when lines are added or removed.
Furthermore, it is the QEMU coding style.
+
+5. Declarations
+
+Mixed declarations (interleaving statements and declarations within blocks)
+are not allowed; declarations should be at the beginning of blocks. In other
+words, the code should not generate warnings if using GCC's
+-Wdeclaration-after-statement option.