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[flang] document a non-extension

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Original-commit: flang-compiler/f18@625daf5218
Reviewed-on: https://github.com/flang-compiler/f18/pull/590
Tree-same-pre-rewrite: false
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peter klausler 2019-07-18 15:26:17 -07:00
parent 6da0d748d5
commit 834c4d6bc4
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flang/documentation/Extensions.md
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@ -135,6 +135,10 @@ Extensions and legacy features deliberately not supported
* Mixing INTEGER types as operands to bit intrinsics (e.g., IAND); only two
compilers support it, and they disagree on sign extension.
* Module & program names that conflict with an object inside the unit (PGI only).
* When the same name is brought into scope via USE association from
multiple modules, the name must refer to a generic interface; PGI
allows a name to be a procedure from one module and a generic interface
from another.
Preprocessing behavior
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