http://llvm.org/bugs/show_bug.cgi?id=20958
Bug ID: 20958
Summary: Conflicting types for '__builtin_isnan' on Android/ARM
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Frontend
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
On 32-bit ARM, Android NDK declares __builtin_isnan as
__attribute__((pcs("aapcs"))) - this matches Android libm, which always
implements __builtin_isnan with softfp calling convention.
Clang does not accept such definition.
.../sysroot/usr/include/math.h:527:5: error: conflicting types for
'__builtin_isnan'
int __builtin_isnan(double) __NDK_FPABI_MATH__ __pure2;
^
.../sysroot/usr/include/math.h:527:5: note: '__builtin_isnan' is a builtin with
type 'int ()'
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