HLSL - glslangValidator crashes on calling a function as parameter to clip

[fluxlalonde]

float GetEntitySelectClip()
{
	return 1.0f;
}

float4 dummyPixelShader() : SV_TARGET
{
	clip(GetEntitySelectClip()); // Seg fault.
}

Call stack:
Program received signal SIGSEGV, Segmentation fault.
0x000000000054d39c in glslang::HlslParseContext::handleFunctionCall(glslang::TSourceLoc const&, glslang::TFunction*, glslang::TIntermTyped*) ()
(gdb) where
#0 0x000000000054d39c in glslang::HlslParseContext::handleFunctionCall(glslang::TSourceLoc const&, glslang::TFunction*, glslang::TIntermTyped*) ()
#1 0x0000000000564532 in glslang::HlslGrammar::acceptFunctionCall(glslang::HlslToken, glslang::TIntermTyped*&, glslang::TIntermTyped*) ()
#2 0x0000000000564bc3 in glslang::HlslGrammar::acceptPostfixExpression(glslang::TIntermTyped*&) ()
#3 0x0000000000562ffb in glslang::HlslGrammar::acceptUnaryExpression(glslang::TIntermTyped*&) ()
#4 0x00000000005631ed in glslang::HlslGrammar::acceptBinaryExpression(glslang::TIntermTyped*&, glslang::PrecedenceLevel) ()
#5 0x000000000056310c in glslang::HlslGrammar::acceptBinaryExpression(glslang::TIntermTyped*&, glslang::PrecedenceLevel) ()
#6 0x000000000056310c in glslang::HlslGrammar::acceptBinaryExpression(glslang::TIntermTyped*&, glslang::PrecedenceLevel) ()
#7 0x000000000056310c in glslang::HlslGrammar::acceptBinaryExpression(glslang::TIntermTyped*&, glslang::PrecedenceLevel) ()
#8 0x000000000056310c in glslang::HlslGrammar::acceptBinaryExpression(glslang::TIntermTyped*&, glslang::PrecedenceLevel) ()
#9 0x000000000056310c in glslang::HlslGrammar::acceptBinaryExpression(glslang::TIntermTyped*&, glslang::PrecedenceLevel) ()
#10 0x000000000056310c in glslang::HlslGrammar::acceptBinaryExpression(glslang::TIntermTyped*&, glslang::PrecedenceLevel) ()
#11 0x000000000056310c in glslang::HlslGrammar::acceptBinaryExpression(glslang::TIntermTyped*&, glslang::PrecedenceLevel) ()
---Type to continue, or q to quit---
#12 0x000000000056310c in glslang::HlslGrammar::acceptBinaryExpression(glslang::TIntermTyped*&, glslang::PrecedenceLevel) ()
#13 0x000000000056310c in glslang::HlslGrammar::acceptBinaryExpression(glslang::TIntermTyped*&, glslang::PrecedenceLevel) ()
#14 0x000000000056310c in glslang::HlslGrammar::acceptBinaryExpression(glslang::TIntermTyped*&, glslang::PrecedenceLevel) ()
#15 0x000000000056310c in glslang::HlslGrammar::acceptBinaryExpression(glslang::TIntermTyped*&, glslang::PrecedenceLevel) ()
#16 0x0000000000563258 in glslang::HlslGrammar::acceptConditionalExpression(glslang::TIntermTyped*&) ()
#17 0x0000000000563865 in glslang::HlslGrammar::acceptAssignmentExpression(glslang::TIntermTyped*&) ()
#18 0x000000000056399e in glslang::HlslGrammar::acceptExpression(glslang::TIntermTyped*&) ()
#19 0x0000000000566303 in glslang::HlslGrammar::acceptStatement(TIntermNode*&)
()
#20 0x000000000056639b in glslang::HlslGrammar::acceptCompoundStatement(TIntermNode*&) ()
#21 0x00000000005664d7 in glslang::HlslGrammar::acceptFunctionDefinition(glslang::TFunction&, TIntermNode*&, TIntermNode*&, glslang::TAttributeMap const&) ()
#22 0x000000000055f363 in glslang::HlslGrammar::acceptDeclaration(TIntermNode*&, TIntermNode*&) ()
#23 0x000000000055f4e6 in glslang::HlslGrammar::acceptCompilationUnit() ()
#24 0x0000000000533789 in glslang::HlslParseContext::parseShaderStrings(glslang---Type to continue, or q to quit---
::TPpContext&, glslang::TInputScanner&, bool) ()
#25 0x00000000004435fc in bool (anonymous namespace)::ProcessDeferred<(anonymous namespace)::DoFullParse>(TCompiler*, char const* const*, int, int const*, char const* const*, char const*, EShOptimizationLevel, TBuiltInResource const*, int, EProfile, bool, bool, EShMessages, glslang::TIntermediate&, (anonymous namespace)::DoFullParse&, bool, glslang::TShader::Includer&, std::string) [clone .isra.341] [clone .constprop.345] ()
#26 0x0000000000443d29 in glslang::TShader::parse(TBuiltInResource const*, int, EProfile, bool, bool, EShMessages, glslang::TShader::Includer&) ()
#27 0x0000000000443e83 in glslang::TShader::parse(TBuiltInResource const*, int, bool, EShMessages) ()
#28 0x000000000043b4f7 in CompileAndLinkShaderUnits(std::vector<ShaderCompUnit, std::allocator >) ()
#29 0x000000000043d363 in CompileAndLinkShaderFiles() ()
#30 0x0000000000439032 in main ()
(gdb)

[ghost]

#810.