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constify inchash

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The following constifies parts of inchash.

	* inchash.h (inchash::end): Make const.
	(inchash::merge): Take const reference hash argument.
	(inchash::add_commutative): Likewise.
This commit is contained in:
Richard Biener 2024-07-22 11:09:03 +02:00 • committed by Richard Biener
parent 9d8888650e
commit 1e32a8be69
1 changed files with 3 additions and 3 deletions
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6
gcc/inchash.h
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@ -46,7 +46,7 @@ class hash
}
/* End incremential hashing and provide the final value. */
hashval_t end ()
hashval_t end () const
{
return val;
}
@ -109,7 +109,7 @@ class hash
}
/* Hash in state from other inchash OTHER. */
void merge (hash &other)
void merge (const hash &other)
{
merge_hash (other.val);
}
@ -136,7 +136,7 @@ class hash
based on their value. This is useful for hashing commutative
expressions, so that A+B and B+A get the same hash. */
void add_commutative (hash &a, hash &b)
void add_commutative (const hash &a, const hash &b)
{
if (a.end() > b.end())
{