spirv-fuzz: Lower probability of adding bit instruction synonyms (#3917)
Fixes #3914.
diff --git a/source/fuzz/fuzzer_context.cpp b/source/fuzz/fuzzer_context.cpp
index 3f0d10e..19d4ca5 100644
--- a/source/fuzz/fuzzer_context.cpp
+++ b/source/fuzz/fuzzer_context.cpp
@@ -31,8 +31,8 @@
const std::pair<uint32_t, uint32_t> kChanceOfAddingAnotherStructField = {20,
90};
const std::pair<uint32_t, uint32_t> kChanceOfAddingArrayOrStructType = {20, 90};
-const std::pair<uint32_t, uint32_t> kChanceOfAddingBitInstructionSynonym = {20,
- 90};
+const std::pair<uint32_t, uint32_t> kChanceOfAddingBitInstructionSynonym = {5,
+ 20};
const std::pair<uint32_t, uint32_t>
kChanceOfAddingBothBranchesWhenReplacingOpSelect = {40, 60};
const std::pair<uint32_t, uint32_t> kChanceOfAddingCompositeInsert = {20, 50};