WebKitGTK 2.43.1 fails to build in riscv64: cd /tmp/webkitgtk-2.43.1/build-soup2/JavaScriptCore/DerivedSources && /usr/bin/cmake -E env CMAKE_CXX_COMPILER_ID=GNU GCC_OFFLINEASM_SOURCE_MAP=OFF /usr/bin/ruby /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb -I/tmp/webkitgtk-2.43.1/build-soup2/JavaScriptCore/DerivedSources/ /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/llint/LowLevelInterpreter.asm /tmp/webkitgtk-2.43.1/build-soup2/bin/LLIntOffsetsExtractor /tmp/webkitgtk-2.43.1/build-soup2/JavaScriptCore/DerivedSources/LLIntAssembly.h normal --binary-format=ELF && /usr/bin/cmake -E touch_nocreate /tmp/webkitgtk-2.43.1/build-soup2/JavaScriptCore/DerivedSources/LLIntAssembly.h FAILED: JavaScriptCore/DerivedSources/LLIntAssembly.h /tmp/webkitgtk-2.43.1/build-soup2/JavaScriptCore/DerivedSources/LLIntAssembly.h cd /tmp/webkitgtk-2.43.1/build-soup2/JavaScriptCore/DerivedSources && /usr/bin/cmake -E env CMAKE_CXX_COMPILER_ID=GNU GCC_OFFLINEASM_SOURCE_MAP=OFF /usr/bin/ruby /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb -I/tmp/webkitgtk-2.43.1/build-soup2/JavaScriptCore/DerivedSources/ /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/llint/LowLevelInterpreter.asm /tmp/webkitgtk-2.43.1/build-soup2/bin/LLIntOffsetsExtractor /tmp/webkitgtk-2.43.1/build-soup2/JavaScriptCore/DerivedSources/LLIntAssembly.h normal --binary-format=ELF && /usr/bin/cmake -E touch_nocreate /tmp/webkitgtk-2.43.1/build-soup2/JavaScriptCore/DerivedSources/LLIntAssembly.h /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/riscv64.rb:132:in `riscv64RaiseMismatchedOperands': Unable to match operands [RegisterID, RegisterID, LabelReference] (due to LowLevelInterpreter64.asm:260) (LoweringError) from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/riscv64.rb:136:in `riscv64ValidateOperands' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/riscv64.rb:1627:in `lowerRISCV64' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/backends.rb:137:in `lower' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/backends.rb:195:in `block in lower' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/backends.rb:193:in `each' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/backends.rb:193:in `lower' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:443:in `block (5 levels) in <main>' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:102:in `inAsm' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:442:in `block (4 levels) in <main>' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/settings.rb:210:in `emitCodeInConfiguration' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:440:in `block (3 levels) in <main>' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/settings.rb:107:in `forSettings' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:425:in `block (2 levels) in <main>' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:421:in `each' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:421:in `block in <main>' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:405:in `open' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:405:in `<main>' /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/riscv64.rb:132:in `riscv64RaiseMismatchedOperands': Unable to match operands [RegisterID, RegisterID, LabelReference] (RuntimeError) from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/riscv64.rb:136:in `riscv64ValidateOperands' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/riscv64.rb:1627:in `lowerRISCV64' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/backends.rb:137:in `lower' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/backends.rb:195:in `block in lower' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/backends.rb:193:in `each' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/backends.rb:193:in `lower' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:443:in `block (5 levels) in <main>' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:102:in `inAsm' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:442:in `block (4 levels) in <main>' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/settings.rb:210:in `emitCodeInConfiguration' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:440:in `block (3 levels) in <main>' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/settings.rb:107:in `forSettings' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:425:in `block (2 levels) in <main>' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:421:in `each' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:421:in `block in <main>' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:405:in `open' from /tmp/webkitgtk-2.43.1/Source/JavaScriptCore/offlineasm/asm.rb:405:in `<main>'
*** This bug has been marked as a duplicate of bug 266218 ***