* Silence ubsan warning about 1<<31
@ 2023-01-31 4:52 Alan Modra
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From: Alan Modra @ 2023-01-31 4:52 UTC (permalink / raw)
To: binutils
* merge.c (hash_blob): Write 1u << 31.
diff --git a/bfd/merge.c b/bfd/merge.c
index f21154dcd45..327bd66b341 100644
--- a/bfd/merge.c
+++ b/bfd/merge.c
@@ -279,7 +279,7 @@ hash_blob (const char *str, unsigned int len)
uint32_t ret = 0;
uint32_t mul = (1 << 0) + (1 << 2) + (1 << 3) + (1 << 5) + (1 << 7);
mul += (1 << 11) + (1 << 13) + (1 << 17) + (0 << 19) + (1 << 23) + (1 << 29);
- mul += (1 << 31);
+ mul += (1u << 31);
if (len >= 8)
{
uint32_t acc = len * 0x9e3779b1;
--
Alan Modra
Australia Development Lab, IBM
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