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Update TREE_NO_WARNING docs.

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From-SVN: r86937
This commit is contained in:
Richard Henderson 2004-09-01 15:24:27 -07:00
parent 8bfd0a46ea
commit 73022c2a43
1 changed files with 5 additions and 2 deletions
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7
gcc/tree.h
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@ -331,7 +331,7 @@ struct tree_common GTY(())
nowarning_flag:
TREE_NO_WARNING in
... any expr node
... any expr or decl node
*/
/* Define accessors for the fields that all tree nodes have
@ -751,7 +751,10 @@ extern void tree_operand_check_failed (int, enum tree_code,
#define CLEANUP_EH_ONLY(NODE) ((NODE)->common.static_flag)
/* In an expr node (usually a conversion) this means the node was made
implicitly and should not lead to any sort of warning. */
implicitly and should not lead to any sort of warning. In a decl node,
warnings concerning the decl should be suppressed. This is used at
least for used-before-set warnings, and it set after one warning is
emitted. */
#define TREE_NO_WARNING(NODE) ((NODE)->common.nowarning_flag)
/* In an INTEGER_CST, REAL_CST, COMPLEX_CST, or VECTOR_CST this means