https://bugs.llvm.org/show_bug.cgi?id=36507
Bug ID: 36507
Summary: Floating point varargs are not handled correctly with
-mno-implicit-float
Product: clang
Version: 5.0
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Created attachment 19952
--> https://bugs.llvm.org/attachment.cgi?id=19952&action=edit
Test case for no-implicit-float/vararg bug
If I build the attached code with:
'clang -mno-implicit-float vartest.c -o vartest'
the double 'd' is printed as 0.0 - it's not saved into the va_list.
If I build the attached code without -mno-implicit-float:
'clang vartest.c -o vartest'
it runs as expected, and prints d: 2.300000. In this case the double has been
correctly saved into the va_list.
I would argue that this case shouldn't be affected by the no-implicit-float
flag and should succeed.
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