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[flang] Avoid CHECK in error recovery situation with bad array bound 

Original-commit: flang-compiler/f18@d522c0da21
Reviewed-on: https://github.com/flang-compiler/f18/pull/545
Tree-same-pre-rewrite: false
This commit is contained in:
peter klausler 2019-07-02 13:47:02 -07:00
parent a254653536
commit a6d02b5b55
1 changed files with 4 additions and 3 deletions
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7
flang/lib/evaluate/shape.cc
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@ -16,6 +16,7 @@
#include "fold.h"
#include "tools.h"
#include "traversal.h"
#include "type.h"
#include "../common/idioms.h"
#include "../common/template.h"
#include "../parser/message.h"
@ -194,7 +195,7 @@ MaybeExtentExpr GetLowerBound(
if (j++ == dimension) {
if (const auto &bound{shapeSpec.lbound().GetExplicit()}) {
return Fold(context, common::Clone(*bound));
} else {
} else if (semantics::IsDescriptor(symbol)) {
return ExtentExpr{DescriptorInquiry{
base, DescriptorInquiry::Field::LowerBound, dimension}};
}
@ -212,7 +213,7 @@ Shape GetLowerBounds(FoldingContext &context, const NamedEntity &base) {
for (const auto &shapeSpec : details->shape()) {
if (const auto &bound{shapeSpec.lbound().GetExplicit()}) {
result.emplace_back(Fold(context, common::Clone(*bound)));
} else {
} else if (semantics::IsDescriptor(symbol)) {
result.emplace_back(ExtentExpr{DescriptorInquiry{
base, DescriptorInquiry::Field::LowerBound, dim}});
}
@ -246,7 +247,7 @@ MaybeExtentExpr GetExtent(
}
} else if (details->IsAssumedSize() && j == symbol.Rank()) {
return std::nullopt;
} else {
} else if (semantics::IsDescriptor(symbol)) {
return ExtentExpr{DescriptorInquiry{
NamedEntity{base}, DescriptorInquiry::Field::Extent, dimension}};
}