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| author | Jason Merrill <merrill@gnu.org> | 1997-06-09 23:41:21 +0000 |
|---|---|---|
| committer | Jason Merrill <merrill@gnu.org> | 1997-06-09 23:41:21 +0000 |
| commit | 88a5cdb87fee7f87987acd4863ecac2492b06d44 (patch) | |
| tree | e6d725468f483644f0e4e3f2281f31a3e5cecda9 /gcc | |
| parent | a112a4d6ac4345b2f2ba14e683329fa571ef4144 (diff) | |
| download | gcc-88a5cdb87fee7f87987acd4863ecac2492b06d44.zip gcc-88a5cdb87fee7f87987acd4863ecac2492b06d44.tar.gz gcc-88a5cdb87fee7f87987acd4863ecac2492b06d44.tar.bz2 | |
x
From-SVN: r14210
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/fold-const.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 45311c9..e8ef497 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -5498,14 +5498,21 @@ fold (expr) return pedantic_non_lvalue (convert (type, arg1)); case LE_EXPR: case LT_EXPR: - return pedantic_non_lvalue - (convert (type, (fold (build (MIN_EXPR, comp_type, - comp_op0, comp_op1))))); + /* In C++ a ?: expression can be an lvalue, so we can't + do this; we would lose the distinction between + LT and LE. */ + if (pedantic_lvalues) + return pedantic_non_lvalue + (convert (type, (fold (build (MIN_EXPR, comp_type, + comp_op0, comp_op1))))); + break; case GE_EXPR: case GT_EXPR: - return pedantic_non_lvalue - (convert (type, fold (build (MAX_EXPR, comp_type, - comp_op0, comp_op1)))); + if (pedantic_lvalues) + return pedantic_non_lvalue + (convert (type, fold (build (MAX_EXPR, comp_type, + comp_op0, comp_op1)))); + break; } } |