diff options
Diffstat (limited to 'thirdparty/glslang/SPIRV/SPVRemapper.cpp')
| -rw-r--r-- | thirdparty/glslang/SPIRV/SPVRemapper.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/thirdparty/glslang/SPIRV/SPVRemapper.cpp b/thirdparty/glslang/SPIRV/SPVRemapper.cpp index 1adc6a3042..56d7f431a7 100644 --- a/thirdparty/glslang/SPIRV/SPVRemapper.cpp +++ b/thirdparty/glslang/SPIRV/SPVRemapper.cpp @@ -830,7 +830,15 @@ namespace spv { [&](spv::Id& id) { if (thisOpCode != spv::OpNop) { ++idCounter; - const std::uint32_t hashval = opCounter[thisOpCode] * thisOpCode * 50047 + idCounter + fnId * 117; + const std::uint32_t hashval = + // Explicitly cast operands to unsigned int to avoid integer + // promotion to signed int followed by integer overflow, + // which would result in undefined behavior. + static_cast<unsigned int>(opCounter[thisOpCode]) + * thisOpCode + * 50047 + + idCounter + + static_cast<unsigned int>(fnId) * 117; if (isOldIdUnmapped(id)) localId(id, nextUnusedId(hashval % softTypeIdLimit + firstMappedID)); |